[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Mostertman, Milan"]
[Black "Turov, Maxim"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2232"]
[BlackElo "2630"]
[ECO "C53"]
[Opening "Giuoco Piano"]
[WhiteFideId "1025848"]
[BlackFideId "4120086"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O O-O 7. Bb3 a6 8. h3 Ba7
9. Re1 h6 10. Nbd2 Nh5 11. Nf1 Qf6 12. Be3 Nf4 13. Ng3 g5 14. Nh2 Qg6 15. Ng4 h5
16. Bxf4 hxg4 17. Be3 gxh3 18. gxh3 Bxh3 19. Kh2 Bd7 20. Qh5 Kg7 21. Qxg5 Qxg5
22. Bxg5 f5 23. exf5 Bxf5 24. Nxf5+ Rxf5 25. Be3 Bxe3 26. fxe3 Rh8+ 27. Kg2 Rg5+
28. Kf3 Rh3+ 29. Ke4 Rh4+ 30. Kf3 e4+ 31. dxe4 Ne5+ 32. Kf2 Rh2+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "L'Ami, Erwin"]
[Black "Vogel, Jaap"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2611"]
[BlackElo "2221"]
[ECO "A90"]
[Opening "Dutch defence"]
[WhiteFideId "1007998"]
[BlackFideId "1000764"]
[EventDate "2011.07.19"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 d5 5. Nd2 c6 6. Nh3 Bd6 7. O-O O-O 8. Qc2
Nbd7 9. Nf3 Ne4 10. Nf4 Qe7 11. c5 Bc7 12. Nd3 g5 13. b3 g4 14. Nfe5 Nxe5 15.
dxe5 Bd7 16. Bh6 Rf7 17. f3 Ng5 18. Qd2 Nh3+ 19. Kh1 Be8 20. b4 a5 21. a3 b6 22.
Qe3 b5 23. Bxh3 gxh3 24. Nf4 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Wilgenhof, Otto"]
[Black "Timman, Jan H"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2210"]
[BlackElo "2575"]
[ECO "A47"]
[Opening "Queen's Indian"]
[Variation "Marienbad system"]
[WhiteFideId "1002589"]
[BlackFideId "1000012"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. Bg5 e6 6. Nc3 Be7 7. O-O O-O 8. Bxf6
Bxf6 9. e4 cxd4 10. Nxd4 Nc6 11. Ndb5 Ba6 12. Re1 Bxb5 13. Nxb5 Bxb2 14. Rb1 Be5
15. f4 a6 16. Nd6 Bc3 17. Rf1 f6 18. Qd3 Bd4+ 19. Kh1 Qc7 20. c3 Bc5 21. Rfd1 b5
22. a4 b4 23. cxb4 Bxb4 24. Nc4 Ra7 25. h3 a5 26. Nd6 Bxd6 27. Qxd6 Rc8 28. Bf1
Qxd6 29. Rxd6 Kf8 30. Bb5 Ke7 31. Rbd1 Rcc7 32. Kg2 Nb4 33. R6d2 Rc2 34. Rxc2
Nxc2 35. Kf2 Rc7 36. Rc1 Kd8 37. Rd1 Nb4 38. Ke3 Ke7 39. h4 e5 40. f5 Rc3+ 41.
Kf2 d5 42. exd5 Kd6 43. Be2 e4 44. g4 Nxd5 45. Rb1 Rc2 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Fier, Alexandr"]
[Black "Beukema, Stefan"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2566"]
[BlackElo "2209"]
[ECO "C88"]
[Opening "Ruy Lopez"]
[Variation "closed, 7...O-O"]
[WhiteFideId "2107139"]
[BlackFideId "1024523"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4
Nxd4 9. Nxd4 exd4 10. e5 Ne8 11. c3 dxc3 12. Nxc3 c6 13. Qf3 d5 14. exd6 Bxd6
15. Ne4 Qc7 16. Nxd6 Nxd6 17. Bf4 Be6 18. Qg3 Rad8 19. Red1 Bxb3 20. axb3 Rd7
21. Rxd6 Rfd8 22. Rxd7 Qxd7 23. h3 f6 24. Rxa6 g5 25. Be3 Qf5 26. Rxc6 h5 27.
Qf3 Qe5 28. Rxf6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Partenheimer, Axel"]
[Black "Vovk, Yuri"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "2206"]
[BlackElo "2564"]
[ECO "E62"]
[Opening "King's Indian"]
[Variation "fianchetto, lesser Simagin (Spassky) variation"]
[WhiteFideId "4646703"]
[BlackFideId "14113171"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. Nc3 Bf5 8. Ne1
Na5 9. e4 Bg4 10. f3 Bd7 11. b3 c5 12. Nc2 Nc6 13. Be3 Qa5 14. Qd2 e5 15. dxc5
dxc5 16. Nd5 Nxd5 17. Qxa5 Nxa5 18. cxd5 b6 19. Na3 Nb7 20. Nc4 b5 21. Nd2 Rfc8
22. Rfc1 Bf8 23. Bf1 f5 24. Be2 Bd6 25. Kg2 f4 26. Bf2 h5 27. h3 Kf7 28. g4 Rh8
29. a4 a6 30. Ra2 Rhc8 31. axb5 axb5 32. Rca1 Rxa2 33. Rxa2 Ke8 34. Ra7 Rb8 35.
Nb1 c4 36. bxc4 bxc4 37. Bxc4 Bc5 38. Ra2 Bxf2 39. Kxf2 Nc5 40. Nd2 Ke7 41. Be2
Kf6 42. Rc2 Rc8 43. Rb2 Na4 44. Rb7 Rc2 45. Rxd7 Rxd2 46. Ke1 Rb2 47. gxh5 gxh5
48. h4 Rb1+ 49. Kd2 Rb2+ 50. Ke1 Rb1+ 51. Kd2 Rb2+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Georgiev, Vladimir"]
[Black "Brown, Andrew"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2559"]
[BlackElo "2202"]
[ECO "E71"]
[Opening "King's Indian"]
[Variation "Makagonov system (5.h3)"]
[WhiteFideId "2903024"]
[BlackFideId "3206513"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Bg5 Na6 7. Bd3 Qe8 8. Nge2
e5 9. d5 Nc5 10. Bc2 a5 11. Qd2 Bd7 12. f3 b5 13. cxb5 Bxb5 14. Be3 Ba6 15. a3
Qb8 16. Rb1 Nb3 17. Qd1 Bc4 18. O-O Nd7 19. Bd3 Bxd3 20. Qxd3 Nbc5 21. Qc2 a4
22. Nc1 Qa7 23. Kh1 Qa6 24. N1a2 Qc4 25. Nb4 f5 26. exf5 gxf5 27. Qf2 Nd3 28.
Qe2 e4 29. f4 Nxb2 30. Qxb2 Qxc3 31. Qxc3 Bxc3 32. Nc6 Nf6 33. Rb5 Ra6 34. Ne7+
Kf7 35. Nxf5 Ra5 36. Rb7 Nxd5 37. Nxd6+ Kg8 38. Nc4 Nxe3 39. Nxe3 Bd4 40. Re1
Rc5 41. f5 h5 42. Ra7 Rc3 43. Nd5 Bxa7 44. Nxc3 Rxf5 45. Rxe4 h4 46. Kh2 Rf1 47.
Ne2 Bf2 48. g4 Bc5 49. g5 Rf2+ 50. Kh1 Rf1+ 51. Kh2 Rf2+ 52. Kh1 Rf1+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Wroblowski, Oliver"]
[Black "Radulski, Julian"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2191"]
[BlackElo "2556"]
[ECO "D31"]
[Opening "QGD"]
[Variation "3.Nc3"]
[WhiteFideId "24698679"]
[BlackFideId "2901595"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 e6 3. Nc3 f5 4. Nf3 Nf6 5. Bf4 c6 6. e3 Be7 7. Qc2 O-O 8. Be2
Nbd7 9. Ne5 Nxe5 10. Bxe5 Bd7 11. Qb3 Qb6 12. Qxb6 axb6 13. Bc7 dxc4 14. Bxc4 b5
15. Bb3 Nd5 16. Be5 Nb6 17. O-O-O Nc4 18. Ne2 Rfc8 19. Nf4 c5 20. Kb1 g5 21. Nd3
Bc6 22. Bxc4 bxc4 23. Ne1 Be4+ 24. Ka1 Rxa2+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Vovk, Andrey"]
[Black "Timmermans, Mark"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2551"]
[BlackElo "2183"]
[ECO "C63"]
[Opening "Ruy Lopez"]
[Variation "Schliemann defence"]
[WhiteFideId "14114470"]
[BlackFideId "1026399"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. O-O d6 7. Nc3 Be7 8. Qd3
O-O 9. Qc4+ Kh8 10. Bxc6 bxc6 11. Qxc6 Rb8 12. Qc4 Rb6 13. Rd1 Ba6 14. Qa4 Qc8
15. h3 Bb7 16. Rb1 c5 17. Bg5 Qb8 18. Bxf6 Bxf6 19. b3 Rd8 20. Qc4 Rb4 21. Qe2
Bc8 22. Nd5 Rb7 23. Rd3 a5 24. Rbd1 a4 25. Qd2 axb3 26. axb3 Rbd7 27. Qe3 Rf8
28. Nd2 Ba6 29. c4 Bb7 30. Nf3 Bxd5 31. Rxd5 Rdd8 32. Ra1 Qb6 33. Rd2 Ra8 34.
Rda2 Rxa2 35. Rxa2 h6 36. h4 Rb8 37. Ra3 Qb4 38. Qc1 Bd8 39. g3 Bc7 40. Nd2 Ba5
41. Nf1 Qc3 42. Qd1 Rb6 43. Ne3 Qd2 44. Qa1 Qe1+ 45. Qxe1 Bxe1 46. Nd5 Rb8 47.
Kf1 Bd2 48. Ra6 Rxb3 49. Rxd6 Bc1 50. h5 Kg8 51. Rc6 Rb1 52. Kg2 Bb2 53. Rb6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Hoogland, Dirk"]
[Black "Nijboer, Friso"]
[Result "0-1"]
[WhiteTitle "CM"]
[BlackTitle "GM"]
[WhiteElo "2181"]
[BlackElo "2546"]
[ECO "B08"]
[Opening "Pirc"]
[Variation "classical (two knights) system"]
[WhiteFideId "1012533"]
[BlackFideId "1000063"]
[EventDate "2011.07.19"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be3 O-O 6. h3 a6 7. Qd2 b5 8. a3 Bb7
9. Bd3 Nbd7 10. O-O-O e5 11. dxe5 dxe5 12. Bh6 c5 13. Bxg7 Kxg7 14. h4 h5 15.
Ng5 Qc7 16. Be2 b4 17. axb4 cxb4 18. Nd5 Bxd5 19. exd5 b3 20. Qc3 Qxc3 21. bxc3
bxc2 22. Kxc2 Rfc8 23. Bf3 Rc5 24. Rhe1 Rac8 25. Re3 Nb6 26. d6 Nbd5 27. Rxe5
Nb4+ 28. Kb3 Rxe5 29. cxb4 a5 30. bxa5 Rxa5 31. Kb4 Ra2 32. d7 Rd8 33. Bc6 Ra7
34. Re1 Rb8+ 35. Bb5 Rxd7 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Brandenburg, Daan"]
[Black "Lommers, Frank"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2538"]
[BlackElo "2176"]
[ECO "C58"]
[Opening "Two knights defence"]
[WhiteFideId "1011014"]
[BlackFideId "1010107"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8.
Bd3 Nd5 9. Nf3 Bd6 10. O-O O-O 11. Re1 Re8 12. Nc3 f5 13. Nxd5 cxd5 14. Bb5 Bd7
15. Bxd7 Qxd7 16. d3 Nc6 17. c4 Kh8 18. cxd5 Nb4 19. a3 Nxd5 20. Bd2 Qb5 21. Ng5
Re7 22. Qf3 Rf8 23. Ne4 Bc5 24. Rac1 Bd4 25. b4 Qb8 26. Ng5 e4 27. Qh3 h6 28.
dxe4 Nf4 29. Qh4 Ng6 30. Qh5 Nf4 31. Qh4 Ng6 32. Qh5 Nf4 33. Bxf4 Qxf4 34. Nf3
fxe4 35. Nxd4 Qxf2+ 36. Kh1 Qxd4 37. Qc5 Qf6 38. Kg1 Rfe8 39. Re2 Qf4 40. Rf1
Qg4 41. Re3 a6 42. Qf5 Qxf5 43. Rxf5 Kh7 44. Rd5 Rc8 45. h4 Rc6 46. Rd4 Rce6 47.
Kf2 Kg6 48. Rd5 Kf6 49. Rc3 e3+ 50. Ke2 Re4 51. Rd6+ Kf7 52. Rxa6 Rg4 53. Rxe3
Rxg2+ 54. Kf3 Rg3+ 55. Kxg3 Rxe3+ 56. Kf4 Rh3 57. Kg4 Rd3 58. b5 Rb3 59. a4 g6
60. Kf4 Rb4+ 61. Ke5 Rxh4 62. Ra7+ Ke8 63. b6 Kd8 64. Ra8+ Kd7 65. b7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Hachijan, Armen"]
[Black "Petrov, Marijan"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "2165"]
[BlackElo "2534"]
[ECO "B32"]
[Opening "Sicilian defence"]
[WhiteFideId "1028081"]
[BlackFideId "2901773"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8.
Bd2 O-O 9. O-O-O d5 10. e5 Bxc3 11. Bxc3 Ne4 12. Bd4 Nxd4 13. Nxd4 Bd7 14. Qe3
f6 15. f3 fxe5 16. fxe4 exd4 17. Qxd4 Rf4 18. Qxb6 axb6 19. exd5 Rxa2 20. dxe6
Bxe6 21. Bd3 Rf2 22. Kb1 Ra4 23. Rhf1 Raf4 24. Rxf2 Rxf2 25. Be4 h5 26. Kc1 Bf5
27. Bd5+ Kh7 28. Rd2 Rf1+ 29. Rd1 Rf2 30. Rd2 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Lenderman, Aleksandr"]
[Black "Jonker, Fred"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2525"]
[BlackElo "2154"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "2021285"]
[BlackFideId "1005260"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Nbd7 6. Bb2 Be7 7. Bd3 b6 8. O-O Bb7
9. Qe2 O-O 10. Rd1 Ne4 11. Nfd2 f5 12. f3 Nxd2 13. Nxd2 Qc7 14. e4 Bd6 15. e5
Be7 16. cxd5 exd5 17. f4 Rae8 18. g4 Bc8 19. gxf5 Nb8 20. Qh5 Bb4 21. a3 Bxd2
22. Rxd2 Qf7 23. Qxf7+ Rxf7 24. e6 Rf6 25. Rg2 Ba6 26. Be2 Bb7 27. Bc3 Na6 28.
Be1 Rh6 29. Rg4 Nc7 30. Bh4 Kf8 31. Kf2 Nb5 32. Rag1 g6 33. fxg6 hxg6 34. f5 c5
35. e7+ Kf7 36. fxg6+ Kg7 37. Rf4 Nxd4 38. Bf6+ Kg8 39. Bxd4 cxd4 40. g7 Rxh2+
41. Kf3 Rh3+ 42. Kg2 Rc3 43. Rf8+ Kxg7 44. Kh2+ Kh6 45. Rf6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Von Meijenfeldt, Bart"]
[Black "Milov, Leonid"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2154"]
[BlackElo "2515"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "Grand Prix attack"]
[WhiteFideId "1032259"]
[BlackFideId "14101068"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 a6 5. g3 d5 6. d3 Nf6 7. Bg2 dxe4 8. dxe4
Qxd1+ 9. Kxd1 b5 10. e5 Ng4 11. Ke2 Bb7 12. Ne4 Nb4 13. Ne1 Bd5 14. c3 Nc6 15.
Nc2 f5 16. exf6 Nxf6 17. Nxf6+ gxf6 18. Bxd5 exd5 19. Be3 O-O-O 20. Rad1 h5 21.
Rd2 Rh7 22. Kf3 f5 23. Rhd1 Rhd7 24. Bf2 Na5 25. b3 Nc6 26. a3 Kc7 27. h3 a5 28.
Be3 a4 29. b4 d4 30. cxd4 cxb4 31. Nxb4 Nxb4 32. axb4 Rd5 33. Rb1 Kb7 34. Rc2
Bg7 35. Rc5 Rxc5 36. bxc5 Kc6 37. Rd1 a3 38. Ke2 a2 39. Ra1 Ra8 40. Kd3 Kd5 41.
Kd2 Ra3 42. Ke2 Rxe3+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Neverov, Valeriy"]
[Black "Merza, Morris"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2500"]
[BlackElo "2145"]
[ECO "D19"]
[Opening "QGD Slav"]
[Variation "Dutch variation"]
[WhiteFideId "14100150"]
[BlackFideId "1027140"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
O-O 9. Nh4 Nbd7 10. Qe2 Ne4 11. Nxf5 exf5 12. Nxe4 fxe4 13. Bd2 Bd6 14. b4 Kh8
15. f4 Qe7 16. b5 Rfc8 17. bxc6 Rxc6 18. Bd5 Rc2 19. Rfc1 Rxc1+ 20. Rxc1 Nb6 21.
Bb3 Qd7 22. a5 Nc8 23. Qc4 Kg8 24. Qd5 Qe7 25. Qf5 Qf8 26. Qxe4 Rb8 27. Qd5 a6
28. e4 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Gruenhagen, Marc"]
[Black "Deepan Chakkravarthy J."]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2133"]
[BlackElo "2470"]
[ECO "E70"]
[Opening "King's Indian"]
[Variation "4.e4"]
[WhiteFideId "24667862"]
[BlackFideId "5011132"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nge2 d6 6. f3 c5 7. Be3 cxd4 8. Nxd4
Nc6 9. Nc2 e6 10. Qd2 Qe7 11. Be2 Rd8 12. O-O b6 13. Rfd1 Bb7 14. Rac1 Rac8 15.
Bg5 Qf8 16. Ne3 Rd7 17. Qe1 Nh5 18. Nc2 h6 19. Be3 g5 20. c5 bxc5 21. Bxc5 Nf4
22. Bb5 a6 23. Ba4 Ne5 24. Be3 Rdc7 25. Bxf4 gxf4 26. Bb3 Nc4 27. Bxc4 Rxc4 28.
Na3 R4c7 29. Qd2 d5 30. exd5 Bxc3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Bus, Tom"]
[Black "Van Meegen, Ruud"]
[Result "1-0"]
[WhiteElo "2237"]
[BlackElo "1947"]
[ECO "A15"]
[Opening "English, 1...Nf6 (Anglo-Indian defense)"]
[WhiteFideId "1014374"]
[BlackFideId "1034995"]
[EventDate "2011.07.19"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 e5 5. e4 O-O 6. Nge2 Nc6 7. O-O d6 8. d3
Ne8 9. Nd5 f5 10. exf5 gxf5 11. f4 Be6 12. Rb1 Nf6 13. Kh1 Rb8 14. Be3 Ne7 15.
Nxf6+ Bxf6 16. b3 b6 17. fxe5 dxe5 18. d4 exd4 19. Bxd4 Ng6 20. Bxf6 Qxf6 21.
Qd4 c5 22. Qxf6 Rxf6 23. Rbd1 Kf7 24. Bd5 Re8 25. Nc3 Ne5 26. Bxe6+ Kxe6 27. Nd5
Rf7 28. Nf4+ Kf6 29. Rd6+ Kg7 30. Nh5+ Kh8 31. Re1 Rff8 32. Nf6 Re7 33. Nd5 Ree8
34. Nf6 Re7 35. Kg2 Kg7 36. Nd5 Ree8 37. Nc7 Rc8 38. Ne6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Zwirs, Nico"]
[Black "Vos, Tjark"]
[Result "1-0"]
[WhiteElo "2125"]
[BlackElo "1842"]
[ECO "B13"]
[Opening "Caro-Kann"]
[Variation "Panov-Botvinnik attack"]
[WhiteFideId "1036432"]
[BlackFideId "1020870"]
[EventDate "2011.07.19"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 dxc4 7. Bxc4 Nxd4 8.
Nf3 Nxf3+ 9. Qxf3 a6 10. O-O Qc7 11. Bb3 Bg4 12. Ba4+ Bd7 13. Bxd7+ Qxd7 14.
Bxf6 gxf6 15. Nd5 Qd6 16. Rac1 Bh6 17. Nc7+ Kf8 18. Nxa8 Bxc1 19. Rxc1 Qb8 20.
Nb6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Arnaudov, G. Petar"]
[Black "Viergever, Max"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2439"]
[BlackElo "2123"]
[ECO "A41"]
[Opening "Old Indian"]
[Variation "Tartakower (Wade) variation"]
[WhiteFideId "2907127"]
[BlackFideId "1019058"]
[EventDate "2011.07.19"]

1. Nf3 d6 2. d4 Bg4 3. c4 Nd7 4. Nc3 g6 5. Ng5 Nb6 6. h3 Be6 7. e4 c6 8. Qf3 Nh6
9. Nxe6 fxe6 10. h4 Bg7 11. h5 Nd7 12. hxg6 hxg6 13. d5 e5 14. g4 Qb6 15. g5 Nf7
16. Rxh8+ Nxh8 17. Qe2 O-O-O 18. dxc6 bxc6 19. Be3 Qb7 20. O-O-O Kb8 21. c5 Nf8
22. Qc4 Qc8 23. Qg8 Ne6 24. Qh7 Nf7 25. Qxg6 Rf8 26. Bh3 Nfd8 27. cxd6 exd6 28.
Rxd6 Qc7 29. Rxe6 Nxe6 30. Qxe6 Rh8 31. Qd7 Qxd7 32. Bxd7 Kc7 33. Bf5 Rh1+ 34.
Kc2 a6 35. Ne2 Bf8 36. Ng3 Rh2 37. Be6 Be7 38. g6 Bf6 39. Bc4 Rh4 40. Bg5 Rh2
41. Bxf6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Kollen, Zyon"]
[Black "Swinkels, Maurice"]
[Result "1-0"]
[WhiteElo "2118"]
[BlackElo "2102"]
[ECO "B63"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...Be7"]
[WhiteFideId "1024256"]
[BlackFideId "1026305"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. f3 a6 10. h4 Nxd4 11. Qxd4 b5 12. Bxf6 Bxf6 13. Qxd6 Qa5 14. e5 b4
15. exf6 bxc3 16. Qg3 g6 17. Bc4 Qb4 18. Bb3 a5 19. a3 Qb6 20. Qg5 Kh8 21. h5
Rg8 22. Kb1 Ra7 23. hxg6 Rxg6 24. Rxh7+ Kxh7 25. Rh1+ Kg8 26. Qh5 Kf8 27. Qh8+
Rg8 28. Qh6+ Ke8 29. Qg7 Rxg7 30. fxg7 a4 31. g8=Q+ Ke7 32. Qxc8 axb3 33. Qxc3
bxc2+ 34. Qxc2 Rxa3 35. Rc1 Re3 36. Qc7+ Qxc7 37. Rxc7+ Kf6 38. Rc3 Re2 39. Rc2
Re1+ 40. Ka2 Ke5 41. b4 Kd4 42. Kb3 Rb1+ 43. Rb2 Rd1 44. b5 Rd3+ 45. Kb4 Kd5 46.
b6 Kc6 47. b7 Rd8 48. Kc4 Rb8 49. Kd4 f6 50. g4 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Hendriks, Willy"]
[Black "Vosselman, Jan"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[WhiteElo "2415"]
[BlackElo "2112"]
[ECO "C23"]
[Opening "Bishop's opening"]
[WhiteFideId "1000713"]
[BlackFideId "1002422"]
[EventDate "2011.07.19"]

1. e4 e5 2. Bc4 Nc6 3. d3 d6 4. f4 Be6 5. Bxe6 fxe6 6. Nf3 exf4 7. Bxf4 Qf6 8.
Qc1 h6 9. Nc3 g5 10. Bg3 g4 11. Nh4 h5 12. Qf4 Qxf4 13. Bxf4 Nge7 14. Rf1 Bg7
15. Bg5 Rg8 16. Be3 Kd7 17. Kd2 Raf8 18. g3 Bf6 19. Bh6 Rf7 20. Ng2 Ne5 21. Be3
Nf3+ 22. Ke2 Nc6 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Kampman, Tijmen"]
[Black "Turova, Irina"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2111"]
[BlackElo "2413"]
[ECO "C50"]
[Opening "Giuoco Pianissimo"]
[Variation "Canal variation"]
[WhiteFideId "1009079"]
[BlackFideId "4120876"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 g5 8. Bg3
Na5 9. Bb3 Nxb3 10. axb3 Bg4 11. Na4 Nd7 12. Qd2 Bxf3 13. gxf3 Qf6 14. Qe2 a6
15. Nc3 c6 16. Nd1 Nf8 17. Ne3 Ne6 18. c3 Bxe3 19. fxe3 c5 20. O-O h5 21. Kh1 h4
22. Be1 Qg6 23. Qg2 O-O-O 24. Qg4 Kb8 25. Rg1 Qf6 26. c4 Qe7 27. Bd2 Qc7 28. Ba5
b6 29. Bd2 a5 30. Qf5 Rhg8 31. Rg2 Rg6 32. Rag1 Qe7 33. f4 exf4 34. exf4 Rf6 35.
Qh7 Nf8 36. Qh5 gxf4 37. Bc3 Rg6 38. Qf5 Nd7 39. Qxf4 Ne5 40. d4 Rf6 41. Qe3 Rf3
42. Qd2 Rd3 43. Qf2 h3 44. Rg3 cxd4 45. Bxd4 Rxg3 46. Rxg3 Nd7 47. Qf4 Re8 48.
Re3 Nc5 49. Bxc5 bxc5 50. Rxh3 Qxe4+ 51. Qxe4 Rxe4 52. Kg2 Re2+ 53. Kf3 Rxb2 54.
Kf4 Kc7 55. Kg5 Kd7 56. Kf6 Rf2+ 57. Kg7 f5 58. Kf6 f4 59. Rh7+ Kc6 60. h4 f3
61. h5 Rg2 62. Rf7 f2 63. Ke6 Rh2 64. Rf5 Rxh5 65. Rxf2 Re5+ 66. Kf6 Re3 67. Rb2
d5 68. cxd5+ Kxd5 69. Kf5 Kd4 70. Kf4 Re7 71. Rc2 Rf7+ 72. Kg3 Rb7 73. Rc4+ Kd5
74. Rc3 Rf7 75. Rc4 Kc6 76. Ra4 Kb5 77. Rc4 Rf1 78. Kg2 Rb1 79. Rc3 Kb4 80. Rc4+
Kxb3 81. Rxc5 a4 82. Kf3 a3 83. Rb5+ Ka2 84. Ra5 Rb3+ 85. Ke2 Kb2 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Cox, Jan"]
[Black "Van der Linden, Lucas"]
[Result "0-1"]
[WhiteElo "1962"]
[BlackElo "2275"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1031384"]
[BlackFideId "1008722"]
[EventDate "2011.07.19"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nb6 8. Bb3
Nc6 9. O-O dxe5 10. dxe5 Qxd1 11. Rxd1 Bd7 12. Nc3 Na5 13. Be3 Nac4 14. Bxb6
Nxb6 15. Ne4 Bc6 16. Nd6+ Bxd6 17. Rxd6 Rc8 18. Nd4 Bd5 19. Bxd5 Nxd5 20. Kf1 g6
21. g3 Ke7 22. Ke2 Rc4 23. Rd1 Rhc8 24. a3 Ra4 25. Kd3 h6 26. Rd2 Rcc4 27. Nc2
Rc8 28. Nd4 Rac4 29. f4 Nb6 30. Ke3 Rc1 31. Ke2 Nc4 32. Rd3 Nxd6 33. exd6+ Kd7
34. Nf3 R1c2+ 35. Ke3 f6 36. Rb3 b6 37. Nh4 g5 38. fxg5 hxg5 39. Nf3 Kxd6 40.
Nd4 R2c5 41. Nb5+ Ke7 42. Nxa7 Rb8 43. Nb5 f5 44. Nd4 Kf6 45. a4 e5 46. Nb5 f4+
47. Kf3 Rd8 48. Nc3 Rc6 49. Ne4+ Kf5 50. g4+ Kg6 51. h3 Rd4 52. Nc3 Re6 53. Ne4
Rxa4 54. Rb5 Rd4 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Koffeman, Timo"]
[Black "Odendahl, Reiner"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[BlackElo "2375"]
[ECO "A31"]
[Opening "English"]
[Variation "symmetrical, Benoni formation"]
[BlackFideId "4613570"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. e4 d6 7. Be2 Nxd4 8.
Qxd4 Bg7 9. O-O O-O 10. Qd3 Bd7 11. Be3 a5 12. Rac1 Bc6 13. f4 Nd7 14. Bf3 Nc5
15. Qc2 a4 16. Rfd1 Qb6 17. Nd5 Bxd5 18. cxd5 Qxb2 19. Bxc5 Qxc2 20. Rxc2 Rfc8
21. e5 b6 22. Bxd6 exd6 23. Re2 Ra7 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Ly, Moulthun"]
[Black "Van Foreest, Jorden"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2369"]
[BlackElo "2097"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "3204405"]
[BlackFideId "1039784"]
[EventDate "2011.07.19"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Bg4 6. Nbd2 Ne7 7. O-O Nd7 8. c4
Nc8 9. b3 Be7 10. Bb2 O-O 11. a3 a5 12. Re1 a4 13. b4 dxc4 14. Bxc4 Ncb6 15. Bd3
Nd5 16. Qc2 h6 17. h3 Bxf3 18. Nxf3 Kh8 19. Bc1 Re8 20. Qe2 Nf8 21. Qe4 b6 22.
Qg4 Qd7 23. Bd2 c5 24. dxc5 bxc5 25. b5 Red8 26. Bf1 Nb6 27. Rec1 Rac8 28. Ba5
Qa7 29. Bxb6 Qxb6 30. Qxa4 Ng6 31. Qe4 Qa5 32. a4 Bf8 33. Rd1 Ne7 34. Bd3 g6 35.
Nd2 Rd4 36. Qe2 Nd5 37. Nb3 Qd8 38. Nxd4 Nc3 39. Qf3 Qxd4 40. Re1 c4 41. Bf1 Bc5
42. Rac1 Bb4 43. Re3 Na2 44. Rc2 c3 45. Rxa2 c2 46. Rxc2 Rxc2 47. Rd3 Qa7 48.
Rd8+ Bf8 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Van Mierlo, Guido"]
[Black "Kuipers, Stefan"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2097"]
[BlackElo "2365"]
[ECO "C18"]
[Opening "French"]
[Variation "Winawer, advance variation"]
[WhiteFideId "1032453"]
[BlackFideId "1018400"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Nf3
b6 9. Be3 Nd7 10. Bd3 Ba6 11. Bxa6 Qxa6 12. Qd3 c4 13. Qe2 Ne7 14. O-O b5 15.
Nh4 O-O 16. f4 f5 17. Nf3 Nb6 18. Bd2 Na4 19. Qf2 Qc6 20. Rab1 Rab8 21. Qh4 Qd7
22. Qg3 a5 23. Ne1 Rfc8 24. h3 Nc6 25. Qe3 Qa7 26. Nf3 Ne7 27. Ra1 Qd7 28. Rfb1
h6 29. Be1 Rb7 30. Kh2 Qe8 31. Qe2 Qh5 32. Ng1 Qf7 33. Nf3 Kh8 34. Bd2 Rg8 35.
Rf1 Rgb8 36. Qf2 Qe8 37. Qe3 Qc6 38. Rfb1 Kg8 39. Be1 Kf7 40. Kh1 Ke8 41. Nh4
Kd7 42. Qg3 Rg8 43. Ng6 Qc8 44. Nxe7 Kxe7 45. Bd2 Qe8 46. Qh4+ Kd7 47. Rf1 Kc6
48. g4 g5 49. Qxh6 Rh8 50. Qf6 Rf7 51. Qg6 Rg8 52. Qh6 gxf4 53. Rxf4 fxg4 54.
Raf1 Rxf4 55. Rxf4 Rh8 56. Qf6 gxh3 57. Qg7 Qh5 58. Qf6 Re8 59. Rf2 Qg4 60. Qf4
Qd1+ 61. Rf1 Qxc2 62. Qf7 Re7 63. Qf8 Nb6 64. Rf2 Rd7 65. Kh2 Qg6 66. Qf6 Qg4
67. Qf3 Qxf3 68. Rxf3 Rh7 69. Rf6 Kd7 70. Rf8 Nc8 71. Bg5 Rg7 72. Bh4 Rg2+ 73.
Kxh3 Rc2 74. Rf7+ Ke8 75. Rc7 Rxc3+ 76. Kg4 Rd3 77. Rxc8+ Kd7 78. Rd8+ Kc7 79.
Rf8 c3 80. Bd8+ Kd7 81. Bxa5 Rxd4+ 82. Kg5 Rc4 83. Rf7+ Kc8 84. Rf1 d4 85. Kf4
Kd7 86. Ke4 c2 87. Rc1 Kc6 88. Bb4 Kb6 89. Kd3 Kc6 90. Rxc2 Kd5 91. Bd6 Rxc2 92.
Kxc2 Ke4 93. Kd2 d3 94. Bc7 Kd4 95. Bd6 Ke4 96. Bc5 Kxe5 97. Kxd3 Kd5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Sowray, Peter J"]
[Black "Bakker, Guido"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2350"]
[BlackElo "2088"]
[ECO "B76"]
[Opening "Sicilian"]
[Variation "dragon, Yugoslav attack, Rauser variation"]
[WhiteFideId "400971"]
[BlackFideId "1027875"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2
O-O 9. O-O-O Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. h4 Rfc8 13. h5 Nxh5 14. Bxg7 Nxg7
15. Qh6 Nh5 16. Bd3 Nf6 17. g4 Qa5 18. Nd5 Rc5 19. g5 Rxd5 20. gxf6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Offringa, Joost"]
[Black "Ikeda, Junta"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2085"]
[BlackElo "2349"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1025880"]
[BlackFideId "3204731"]
[EventDate "2011.07.19"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. c4 Nb6 5. b4 d6 6. exd6 exd6 7. d4 cxb4 8. Nf3
Be7 9. a3 bxa3 10. Be2 d5 11. c5 N6d7 12. Nc3 Nf6 13. O-O O-O 14. Qb3 b6 15.
Bxa3 bxc5 16. dxc5 Nc6 17. Rfd1 Be6 18. Bb5 Qc7 19. Bxc6 Qxc6 20. Nd4 Qc7 21.
Ncb5 Qf4 22. c6 Bxa3 23. Rxa3 a6 24. Rda1 axb5 25. Rxa8 Qxd4 26. Rxf8+ Kxf8 27.
Qa3+ b4 28. Qa8+ Ne8 29. h3 Qc3 30. Ra7 b3 31. Qb7 Qc5 32. Ra8 f6 33. c7 b2 34.
Qxb2 Qxc7 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Vishnu Prasanna. V"]
[Black "Vereggen, Lars"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2340"]
[BlackElo "2036"]
[ECO "A15"]
[Opening "English, 1...Nf6 (Anglo-Indian defense)"]
[WhiteFideId "5030692"]
[BlackFideId "1029258"]
[EventDate "2011.07.19"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 d6 5. e4 e5 6. Nge2 O-O 7. O-O Nc6 8. d3
Rb8 9. h3 a6 10. a4 a5 11. Be3 Nd7 12. f4 Nc5 13. Nd5 b6 14. f5 Nb4 15. Nxb4
axb4 16. g4 Bf6 17. Kh1 Bg5 18. Bg1 Bb7 19. a5 Ra8 20. axb6 cxb6 21. Rb1 Bc6 22.
Rf3 Qe7 23. Qe1 Ba4 24. Ra1 Bc2 25. Rxa8 Rxa8 26. Qxb4 Bxd3 27. Ng3 Ra1 28. Qxb6
Bf4 29. Qc6 Bxg3 30. f6 Qd8 31. Rxg3 Qxf6 32. Kh2 Qf4 33. Be3 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Beerdsen, Thomas"]
[Black "L'Ami, Alina"]
[Result "1-0"]
[BlackTitle "WGM"]
[WhiteElo "2009"]
[BlackElo "2312"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "1030108"]
[BlackFideId "1210246"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
Be7 9. Qd2 O-O 10. O-O-O a5 11. Qf2 Qc8 12. Bb5 Nc6 13. g4 Nb4 14. Kb1 d5 15. g5
d4 16. gxf6 dxe3 17. Qxe3 Bxf6 18. Rhg1 a4 19. Nc5 Ra5 20. Nxe6 Qxe6 21. Bd7 Qa6
22. a3 Nc6 23. Rd6 Rd8 24. Nd5 Rxd5 25. exd5 Qa7 26. Qxa7 Nxa7 27. Rxf6 Rxd7 28.
Rb6 Nc8 29. Rb4 Rxd5 30. Rxb7 g6 31. Rb8 Rc5 32. Rg4 f5 33. Rxa4 Kf7 34. Rb7+
Kf6 35. Rxh7 e4 36. fxe4 f4 37. Rh3 Nd6 38. Rf3 Ke5 39. Rf1 Nc4 40. Kc1 Ne3 41.
Rf2 Ng4 42. Rg2 f3 43. Rg3 Nxh2 44. Rg5+ Kf4 45. Rxg6 f2 46. Rf6+ Ke3 47. Rxf2
Kxf2 48. b4 Rc4 49. e5 Nf3 50. Kb2 Nxe5 51. Kb3 Rc8 52. Ra6 Ke3 53. Rd6 Nc4 54.
Rd3+ Ke4 55. a4 Ne3 56. Rd2 Nf5 57. c3 Ke5 58. b5 Nd6 59. Rd1 Ne4 60. c4 Nd6 61.
Re1+ Kd4 62. Rd1+ Ke5 63. Rc1 Ne4 64. Kb4 Kd6 65. a5 Kc7 66. c5 Rd8 67. a6 Nf6
68. Ka5 Rd2 69. Ra1 Kb8 70. b6 Rc2 71. Kb5 Rb2+ 72. Kc6 Ng4 73. Re1 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Van Der Poel, Henk"]
[Black "Oudshoorn, Arres"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[WhiteElo "2292"]
[BlackElo "2007"]
[ECO "B35"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, modern variation with Bc4"]
[WhiteFideId "1002449"]
[BlackFideId "1036203"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8.
Bb3 Qa5 9. O-O Qh5 10. f3 d6 11. Qd2 h6 12. Rae1 g5 13. Nde2 Qg6 14. Kh1 Be6 15.
Nd4 Nxd4 16. Bxd4 Rfc8 17. Bxe6 fxe6 18. e5 Nd7 19. exd6 e5 20. Be3 exd6 21. Ne4
Rc6 22. Rd1 Nf6 23. Nxf6+ Qxf6 24. Qd5+ Qf7 25. c3 Qxd5 26. Rxd5 a6 27. Rfd1 Bf8
28. Kg1 Kf7 29. Kf2 Be7 30. a4 Ke6 31. Ke2 Rc4 32. a5 Rac8 33. Bb6 Ra4 34. R1d2 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.19"]
[Round "1"]
[White "Goudriaan, Etienne"]
[Black "Smagin, Nikita"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2283"]
[BlackElo "1977"]
[ECO "A80"]
[Opening "Dutch, 2.Bg5 variation"]
[WhiteFideId "1021150"]
[BlackFideId "24149039"]
[EventDate "2011.07.19"]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. Bg3 Nf6 5. e3 d6 6. Nc3 Bg7 7. h4 g4 8. Bd3 O-O
9. Nge2 Nh5 10. Qd2 e5 11. O-O-O Nc6 12. Bh2 Kh8 13. f3 gxf3 14. gxf3 a6 15.
dxe5 Nxe5 16. Bxe5 dxe5 17. e4 f4 18. Qe1 Qe7 19. Nd5 Qf7 20. Qc3 Be6 21. Bc4 c6
22. Nb6 Rad8 23. Bxe6 Qxe6 24. Qc4 Qe7 25. Rdg1 Bf6 26. Rg6 Qh7 27. Rg4 Qc7 28.
Qb3 Rg8 29. a3 Rdf8 30. Na4 Ng3 31. Nxg3 fxg3 32. Qe3 Qh7 33. Kb1 h5 34. Rxg8+
Rxg8 35. Nc3 g2 36. Rg1 Bxh4 37. Qd2 Bg5 38. Qf2 Bf4 39. Rxg2 Rxg2 40. Qxg2 h4
41. Qh3 Qe7 42. Ne2 Bg5 43. Qg4 Kh7 44. Qh5+ Kg7 45. Ng1 Bf6 46. Nh3 Qf7 47. Qf5
Qg6 48. Qc8 Qf7 49. Nf2 Bg5 50. Nd3 Qxf3 51. Nxe5 Qxe4 52. Qd7+ Kf6 53. Ng4+ Kg6
54. Qd1 Bf4 55. Nf2 Qd5 56. Qg4+ Qg5 57. Qe6+ Qf6 58. Qg8+ Qg7 59. Qc4 Bg3 60.
Qe4+ Kf7 61. Nh3 Qe5 62. Qh7+ Kf8 63. Qh6+ Qg7 64. Qd2 Qe5 65. Qb4+ Qe7 66. Qg4
Kf7 67. Ng5+ Kg6 68. Ne4+ Kh6 69. b3 Kh7 70. Qf5+ Kg7 71. Ng5 Qf6 72. Qd7+ Kg6
73. Ne4 Qf5 74. Qe8+ Qf7 75. Qd8 Kf5 76. Qd3 Ke5 77. Qe2 Kf5 78. Qf3+ Kg6 79.
Qg4+ Kh6 80. Qg5+ Kh7 81. Nf6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Turov, Maxim"]
[Black "Arnaudov, G. Petar"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2630"]
[BlackElo "2439"]
[ECO "A50"]
[Opening "Kevitz-Trajkovich defence"]
[WhiteFideId "4120086"]
[BlackFideId "2907127"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 Nc6 3. Nc3 e5 4. d5 Ne7 5. h4 Neg8 6. e3 h5 7. Nf3 Ng4 8. Ng5
Be7 9. f3 N4h6 10. Qc2 Bxg5 11. hxg5 Qxg5 12. Nb5 Kd8 13. d6 c6 14. Nc7 Rb8 15.
e4 Qg3+ 16. Qf2 Qxf2+ 17. Kxf2 g6 18. b4 b6 19. c5 Rb7 20. Be3 bxc5 21. bxc5
Rxc7 22. dxc7+ Kxc7 23. Rd1 f5 24. Rd6 fxe4 25. Rxg6 exf3 26. Rxh5 fxg2 27. Kxg2
Ng4 28. Rxg4 Rxh5 29. Rxg8 Rh4 30. Bg5 Ra4 31. Kf3 Rxa2 32. Bf6 Ra3+ 33. Ke4
Ra4+ 34. Kxe5 Ra1 35. Bd3 Rd1 36. Bd8+ Kb8 37. Rg3 Bb7 38. Ba5 Bc8 39. Bc4 Rb1
40. Kd6 Kb7 41. Ke7 Rc1 42. Rb3+ Ka8 43. Kd8 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Turova, Irina"]
[Black "L'Ami, Erwin"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2413"]
[BlackElo "2611"]
[ECO "E76"]
[Opening "King's Indian"]
[Variation "Four pawns attack"]
[WhiteFideId "4120876"]
[BlackFideId "1007998"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 a6 7. Bd3 Bg4 8. Be3
Nfd7 9. O-O Nc6 10. d5 Nd4 11. Be2 Nxe2+ 12. Qxe2 c5 13. dxc6 bxc6 14. Qc2 Bxf3
15. Rxf3 Qa5 16. Bf2 Nc5 17. Re1 Ne6 18. b3 Nxf4 19. b4 Qxb4 20. Na4 Ne6 21. Rb1
Qa5 22. c5 Nd4 23. Bxd4 Bxd4+ 24. Kh1 Rab8 25. Rxb8 Qe1+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Timman, Jan H"]
[Black "Ly, Moulthun"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2575"]
[BlackElo "2369"]
[ECO "E63"]
[Opening "King's Indian"]
[Variation "fianchetto, Panno variation"]
[WhiteFideId "1000012"]
[BlackFideId "3204405"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. O-O Nc6 7. Nc3 a6 8. h3 Bd7
9. e4 e5 10. d5 Nd4 11. Nxd4 exd4 12. Qxd4 Qc8 13. h4 Ng4 14. Qd1 Ne5 15. Qe2 b5
16. cxb5 axb5 17. Nd1 f5 18. f4 Ng4 19. Bd2 Bd4+ 20. Kh1 fxe4 21. Qxe4 Bb6 22.
Qd3 Bf5 23. Qxb5 Nf6 24. Be3 Be4 25. f5 Ra5 26. Qc4 gxf5 27. Bxb6 cxb6 28. Qxc8
Rxc8 29. Ne3 Nxd5 30. Nxf5 Bxf5 31. Rxf5 Ne3 32. Rxa5 bxa5 33. Bh3 Re8 34. Rc1
d5 35. Rc7 Rd8 36. Be6+ Kh8 37. Kg1 Rf8 38. Rc8 Rxc8 39. Bxc8 Nd1 40. b3 Kg7 41.
Bf5 h6 42. Bd3 Kf6 43. Kf1 Ke5 44. Ke1 Ne3 45. Kd2 Ng4 46. Be2 Nf6 47. Bf3 Kd4
48. a3 Nd7 49. g4 Ne5 50. Ke2 Ng6 51. g5 hxg5 52. hxg5 Kc3 53. Ke3 Kxb3 54.
Bxd5+ Kxa3 55. Ke4 Kb4 56. Bf7 Nh8 57. Ba2 Ng6 58. Kf5 Nh4+ 59. Kg4 Ng6 60. Bb1
Ne7 61. Kf4 Kc3 62. Ke5 Kb2 63. Ke6 Kxb1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Sowray, Peter J"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2350"]
[BlackElo "2566"]
[ECO "B67"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7"]
[WhiteFideId "400971"]
[BlackFideId "2107139"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 13. f5 b4 14. Ne2 e5
15. Ng3 Qc5 16. Bd3 h5 17. h4 Bh6 18. Qe2 Be3 19. Nxh5 Ke7 20. g4 a5 21. Rh3 Bd4
22. Bc4 a4 23. Ng3 b3 24. cxb3 a3 25. bxa3 Rxa3 26. Rd2 Qa5 27. Nf1 Qa8 28. Ng3
Rb8 29. Rd3 Rb4 30. Bd5 Qa6 31. Rf3 Qb7 32. Qc2 Bxd5 33. exd5 Rba4 34. Ne4 Rxa2
35. Qxa2 Rxa2 36. Kxa2 Qa6+ 37. Kb1 Qa1+ 38. Kc2 Qb2+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Radulski, Julian"]
[Black "Vishnu Prasanna. V"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2556"]
[BlackElo "2340"]
[ECO "C46"]
[Opening "Four knights"]
[Variation "Gunsberg variation"]
[WhiteFideId "2901595"]
[BlackFideId "5030692"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 g6 5. d4 exd4 6. Nxd4 Bg7 7. Nxc6 bxc6 8.
Bc4 O-O 9. O-O d6 10. Bg5 Be6 11. Bxe6 fxe6 12. e5 dxe5 13. Qe2 Qb8 14. Bxf6
Rxf6 15. Ne4 Rf7 16. Rfd1 Qxb2 17. Qc4 Re8 18. a4 Rd7 19. h4 Rd4 20. Qxc6 Red8
21. Rdb1 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Ikeda, Junta"]
[Black "Vovk, Andrey"]
[Result "1-0"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2349"]
[BlackElo "2551"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "3204731"]
[BlackFideId "14114470"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 c5 6. c4 Nc6 7. O-O d6 8. Nc3
Rb8 9. d4 Bd7 10. dxc5 dxc5 11. Na4 b6 12. Ne5 Qc8 13. Nxd7 Nxd7 14. Bxg7 Kxg7
15. Nc3 Nf6 16. e3 h5 17. Qf3 Ne5 18. Qe2 Rd8 19. Rad1 a6 20. Rxd8 Qxd8 21. f4
Ned7 22. e4 e5 23. Bh3 Qe8 24. Nd5 Rd8 25. Bxd7 Rxd7 26. fxe5 Ng8 27. Qb2 Kh7
28. g4 hxg4 29. Qc3 Qe6 30. Qg3 Kg7 31. Rf6 Qe8 32. Rxb6 Qd8 33. Rxa6 Qg5 34.
Qf4 Qh4 35. Qf2 g3 36. hxg3 Qxe4 37. Ra8 Rxd5 38. cxd5 Qxd5 39. Rc8 Qxe5 40.
Rxc5 Qa1+ 41. Kg2 Nf6 42. Rc4 g5 43. Qe2 Qb1 44. Rc5 Kh6 45. Rc6 Kg7 46. Rxf6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Nijboer, Friso"]
[Black "Goudriaan, Etienne"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2546"]
[BlackElo "2283"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "1000063"]
[BlackFideId "1021150"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f4
exf4 9. Bxf4 Nc6 10. Qe2 Be7 11. h3 Rc8 12. O-O-O Nb4 13. Kb1 Bxb3 14. cxb3 Qb6
15. g4 O-O 16. g5 Nd7 17. a3 Nc6 18. b4 Rfe8 19. Nd5 Qd8 20. h4 Nb6 21. Bh3 Ra8
22. Nc3 Bf8 23. Qh2 Ne5 24. h5 Qc7 25. g6 h6 26. Be3 Nbc4 27. Nd5 Qc6 28. Rc1
fxg6 29. Qe2 Qb5 30. Nc3 Qc6 31. hxg6 b5 32. Nd5 Nxg6 33. Bf5 Nf4 34. Nxf4 Rxe4
35. Qg2 Rae8 36. Rxh6 Nxe3 37. Rh8+ Kxh8 38. Qh3+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Van der Linden, Lucas"]
[Black "Brandenburg, Daan"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "2275"]
[BlackElo "2538"]
[ECO "A58"]
[Opening "Benko gambit accepted"]
[WhiteFideId "1008722"]
[BlackFideId "1011014"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 d6 8. Bg2
Bg7 9. Nf3 Nbd7 10. Rb1 Nb6 11. b3 Bc8 12. Nh4 h6 13. Qc2 Qd7 14. Bb2 g5 15. Nf3
Bb7 16. Nd2 O-O 17. e4 Ba6 18. h4 g4 19. Bf1 Qc8 20. a4 Nfd7 21. Bb5 Ne5 22. O-O
f5 23. Bxa6 Rxa6 24. Ne2 fxe4 25. Qxe4 Qf5 26. Qxf5 Rxf5 27. Nf4 Kf7 28. Kg2 Ng6
29. Nxg6 Kxg6 30. Bxg7 Kxg7 31. f3 Rxd5 32. Rb2 Nd7 33. Nc4 Rf5 34. Re2 gxf3+
35. Rxf3 Rxf3 36. Kxf3 Kf7 37. g4 e5 38. g5 hxg5 39. hxg5 d5 40. Nxe5+ Nxe5+ 41.
Rxe5 Rb6 42. Rxd5 Rxb3+ 43. Ke4 Rb4+ 44. Kf5 Rxa4 45. Rd7+ Kg8 46. Rc7 c4 47.
Kg6 Ra6+ 48. Kh5 Rb6 49. Rxc4 Ra6 50. Rc7 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Bus, Tom"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2237"]
[BlackElo "2525"]
[ECO "A20"]
[Opening "English opening"]
[WhiteFideId "1014374"]
[BlackFideId "2021285"]
[EventDate "2011.07.19"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3
O-O 9. b4 a6 10. d3 f5 11. Bb2 Be6 12. Rc1 Bf6 13. e4 f4 14. Re1 g5 15. Na4 Nxa4
16. Qxa4 Qxd3 17. Red1 Bb3 18. Rxd3 Bxa4 19. gxf4 gxf4 20. Rd5 Rae8 21. Bh3 Re7
22. Kh1 Kf7 23. Bg4 Rg8 24. Bh5+ Kf8 25. Rcc5 Bb3 26. Rd3 Ba2 27. Rd1 Bb3 28.
Rd3 Bf7 29. Bxf7 Kxf7 30. Rdd5 Rge8 31. Kg2 Re6 32. Bc3 R8e7 33. Bb2 Rd6 34. Kf1
Red7 35. Rxd6 cxd6 36. Rd5 Ke6 37. b5 Ne7 38. Rd3 d5 39. bxa6 bxa6 40. exd5+
Rxd5 41. Rb3 Rb5 42. Nd2 Rxb3 43. Nxb3 Kd5 44. f3 Nf5 45. Ke2 Ne3 46. Bc1 Nc4
47. Kd3 Be7 48. a4 Bb4 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Milov, Leonid"]
[Black "Zwirs, Nico"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2515"]
[BlackElo "2125"]
[ECO "B95"]
[Opening "Sicilian"]
[Variation "Najdorf, 6...e6"]
[WhiteFideId "14101068"]
[BlackFideId "1036432"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Nbd7 8.
O-O-O Qc7 9. Qg3 b5 10. Bxb5 axb5 11. Ndxb5 Qb7 12. Rxd6 Rxa2 13. Nc7+ Kd8 14.
Nxe6+ fxe6 15. Nxa2 Bxd6 16. Qxd6 Qxe4 17. Nb4 Ke8 18. Bxf6 gxf6 19. Nc6 Kf7 20.
Rd1 Re8 21. Qc7 Kg8 22. Kb1 Qa4 23. Na7 Ne5 24. Nxc8 Qg4 25. f3 Qxg2 26. Nd6 Rf8
27. Qe7 Qxf3 28. Rg1+ Ng6 29. Qxe6+ Kh8 30. Re1 f5 31. Nf7+ Kg7 32. Ng5 Qf2 33.
Rd1 Kh8 34. Nf7+ Kg7 35. Ng5 Kh8 36. h3 Qf4 37. Rg1 Qf2 38. Rd1 Qf4 39. Nf7+ Kg7
40. Nd8 Qf3 41. Qd7+ Kh6 42. Ne6 Rf7 43. Qd2+ f4 44. Rg1 Qe3 45. Qxe3 fxe3 46.
Re1 Re7 47. Rxe3 Nf4 48. Nd4 Rxe3 49. Nf5+ Kg5 50. Nxe3 Nxh3 51. b4 Nf4 52. b5
Ne6 53. Kb2 h5 54. Kc3 Kf4 55. b6 Nd8 56. Kd4 Nc6+ 57. Kc5 Nb8 58. Kd4 Nc6+ 59.
Kd5 Nb8 60. Nf1 h4 61. c4 h3 62. c5 Kf3 63. c6 Nxc6 64. Kxc6 Kg2 65. b7 Kxf1 66.
b8=Q Kg2 67. Qg8+ Kh1 68. Qd5+ Kg1 69. Qd4+ Kg2 70. Qg4+ Kh1 71. Qxh3+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Maatman, Nick"]
[Black "Neverov, Valeriy"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "1994"]
[BlackElo "2500"]
[ECO "E20"]
[Opening "Nimzo-Indian"]
[Variation "Kmoch variation"]
[WhiteFideId "1040391"]
[BlackFideId "14100150"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 d6 6. e4 O-O 7. Ne2 exd5 8. cxd5
Nbd7 9. g4 Ne5 10. Bg2 Nfxg4 11. fxg4 Qh4+ 12. Ng3 c4 13. Be3 Bxg4 14. Qc2 Nd3+
15. Kd2 f5 16. exf5 Rae8 17. Be4 Bxf5 18. Bxf5 Rxe3 19. Kxe3 Rxf5 20. Nxf5 Qf4+
21. Ke2 Qg4+ 22. Ke3 Qf4+ 23. Ke2 Qg4+ 24. Ke3 Bc5+ 25. Kd2 Qg2+ 26. Ne2 Bb4+
27. Qc3 Bxc3+ 28. bxc3 Qg5+ 29. Ne3 Nf2 30. Ng3 Nxh1 31. Rxh1 g6 32. Rb1 b6 33.
Rb4 Qh4 34. Rxc4 Qxh2+ 35. Ne2 h5 36. Rc7 Qe5 37. Kd3 a5 38. Nd4 Qg3 39. Ne6 h4
40. Rc8+ Kh7 41. Rc7+ Kg8 42. Rc8+ Kh7 43. Rc7+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Deepan Chakkravarthy J."]
[Black "Kollen, Zyon"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2470"]
[BlackElo "2118"]
[ECO "C05"]
[Opening "French"]
[Variation "Tarrasch, Botvinnik variation"]
[WhiteFideId "5011132"]
[BlackFideId "1024256"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 b6 7. Qe2 cxd4 8. cxd4
Nc6 9. Ngf3 Nb4 10. O-O Nxd3 11. Qxd3 a5 12. Re1 Ba6 13. Qe3 Rc8 14. a3 Nb8 15.
Nf1 Bxf1 16. Rxf1 Be7 17. Bd2 Qd7 18. Qb3 Qa7 19. Qb5+ Rc6 20. Rac1 Qc7 21. Rxc6
Nxc6 22. Rc1 Kd7 23. g4 h6 24. h4 h5 25. gxh5 Rxh5 26. Bg5 Bxg5 27. hxg5 g6 28.
Kg2 Rh8 29. Nh2 Rh4 30. Nf3 Rh8 31. Ng1 Rc8 32. Ne2 Qb7 33. Qd3 Ne7 34. Qb5+ Rc6
35. Rh1 Qc8 36. b4 axb4 37. Qxb4 Qa6 38. Ng3 Qc4 39. Qd2 Qc3 40. Qf4 Nf5 41. Rh7
Ke7 42. Nxf5+ exf5 43. e6 Rxe6 44. Qb8 Qc1 45. Qb7+ Kd6 46. Qxb6+ Ke7 47. Qb4+
Ke8 48. Rh8+ Kd7 49. Qb7+ Qc7 50. Qxd5+ Qd6 51. Qb7+ Qc7 52. Qb3 Qf4 53. Qb5+
Rc6 54. Qd5+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Vovk, Yuri"]
[Black "Beerdsen, Thomas"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2564"]
[BlackElo "2009"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf"]
[WhiteFideId "14113171"]
[BlackFideId "1030108"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O
O-O 9. Be3 Qc7 10. Nd5 Nxd5 11. exd5 Nd7 12. a5 Ne5 13. c4 Rb8 14. b4 b6 15.
axb6 Rxb6 16. Rb1 Qb8 17. f4 Nd7 18. Nc6 Qc7 19. Nxe7+ Kh8 20. Bxb6 Qxb6+ 21.
Kh1 Bb7 22. c5 dxc5 23. bxc5 Qxc5 24. Rxb7 Qxe7 25. d6 Qd8 26. Qd5 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Vosselman, Jan"]
[Black "Georgiev, Vladimir"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2112"]
[BlackElo "2559"]
[ECO "A41"]
[Opening "Old Indian defence"]
[WhiteFideId "1002422"]
[BlackFideId "2903024"]
[EventDate "2011.07.19"]

1. d4 d6 2. c4 e5 3. d5 g6 4. e4 a5 5. Nc3 Na6 6. Nf3 Nf6 7. Be2 Nc5 8. Qc2 Bg7
9. h3 Nh5 10. Bg5 f6 11. g4 fxg5 12. gxh5 gxh5 13. Nh2 g4 14. hxg4 Bh6 15. Nf1
h4 16. Ne3 Bxe3 17. fxe3 Qg5 18. Kd2 Bxg4 19. Rag1 h5 20. Qd1 Rg8 21. Qe1 O-O-O
22. Rxh4 Rdf8 23. Qg3 Qf6 24. Bxg4+ hxg4 25. Rxg4 Rxg4 26. Qxg4+ Kb8 27. Qe2 Qh4
28. Rf1 Rg8 29. Qf3 Qh2+ 30. Rf2 Qg1 31. Nb5 Nxe4+ 32. Qxe4 Qxf2+ 33. Kd3 Rg2 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Petrov, Marijan"]
[Black "Partenheimer, Axel"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2534"]
[BlackElo "2206"]
[ECO "B40"]
[Opening "Sicilian defence"]
[WhiteFideId "2901773"]
[BlackFideId "4646703"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. g3 Nc6 6. Bg2 d6 7. exd6 Bxd6 8. O-O
O-O 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Qc7 12. Nd2 Rd8 13. Nf3 Bd7 14. c4 Ne7 15.
b3 Nf5 16. Qc3 Be7 17. Bf4 Qb6 18. g4 Bf6 19. Be5 Bxe5 20. Nxe5 Ne7 21. a4 Rab8
22. a5 Qc7 23. Qg3 Be8 24. Rfd1 Rxd1+ 25. Rxd1 f6 26. Nd3 Qxg3 27. hxg3 Nc6 28.
Nc5 Nxa5 29. Ra1 b6 30. Nxe6 Bf7 31. Bd5 Re8 32. Nf4 Re7 33. Ra3 Kf8 34. c5 Bxd5
35. Nxd5 Re5 36. cxb6 axb6 37. Nxb6 Rb5 38. Nc4 Nxb3 39. Ra8+ Ke7 40. Ra7+ Ke6
41. Rxg7 h5 42. Ne3 hxg4 43. Rxg4 Nc5 44. Rc4 Ra5 45. Kg2 Rb5 46. Nc2 Ra5 47. g4
Nd7 48. f4 Rc5 49. Re4+ Kf7 50. Ne3 Nf8 51. Nf5 Rc7 52. Nd6+ Kg6 53. Re8 Kg7 54.
Ra8 Rc2+ 55. Kf3 Rc6 56. Rd8 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Oudshoorn, Arres"]
[Black "Hendriks, Willy"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2007"]
[BlackElo "2415"]
[ECO "B44"]
[Opening "Sicilian defence"]
[WhiteFideId "1036203"]
[BlackFideId "1000713"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Be2 a6 6. O-O Qc7 7. Nxc6 Qxc6 8.
Bf3 Ne7 9. Be3 Ng6 10. g3 Bc5 11. Bd4 O-O 12. Nc3 d6 13. a4 b6 14. Ne2 Bb7 15.
Bxc5 dxc5 16. Nc3 Rad8 17. Qe2 Rd4 18. Bg2 Rfd8 19. Rad1 Ne5 20. f4 Nd7 21. Rd2
Qc7 22. Rfd1 e5 23. f5 Nf6 24. Bf3 h6 25. b3 R8d7 26. Kf2 Qd8 27. Ke1 Qe7 28.
Qe3 Bc6 29. Qe2 c4 30. Rxd4 exd4 31. Qxc4 Bxe4 32. Nxe4 Nxe4 33. Kf1 Ng5 34. Bg2
Qf6 35. Qd3 a5 36. Kg1 Re7 37. h4 Nh7 38. Bh3 Qd6 39. c3 Nf6 40. cxd4 Nd5 41.
Bg2 Re3 42. Qc4 Rxg3 43. Rd2 Ne3 44. Qc1 Nxg2 45. Rxg2 Qxd4+ 46. Kf1 Rf3+ 47.
Ke1 Qxh4+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Odendahl, Reiner"]
[Black "Hachijan, Armen"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[WhiteElo "2375"]
[BlackElo "2165"]
[ECO "A10"]
[Opening "English opening"]
[WhiteFideId "4613570"]
[BlackFideId "1028081"]
[EventDate "2011.07.19"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 O-O 5. d3 Nc6 6. Nf3 d5 7. cxd5 Nxd5 8. Bd2
Nb6 9. Qc1 Nd4 10. h4 h5 11. Nxd4 Qxd4 12. O-O c6 13. Be3 Qb4 14. Rb1 Bg4 15.
Re1 Qa5 16. a3 Rfd8 17. Bg5 Qe5 18. Ne4 Nd5 19. Qc4 Rac8 20. Bd2 c5 21. Ng5 e6
22. Nf3 Qb8 23. Qa2 Bxf3 24. Bxf3 Qe5 25. Rec1 Kh7 26. b4 cxb4 27. axb4 a6 28.
Qa5 Qd4 29. b5 axb5 30. Qxb5 b6 31. Rxc8 Rxc8 32. Bxd5 Qxd5 33. Be3 Qa2 34. Qxb6
Qxe2 35. Qb7 Qxd3 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Kuipers, Stefan"]
[Black "Koffeman, Timo"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2365"]
[ECO "B04"]
[Opening "Alekhine's defence"]
[Variation "modern, Larsen variation"]
[WhiteFideId "1018400"]
[EventDate "2011.07.19"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. c4 Nb4 7. Be3 Bf5 8. Nd3
e6 9. Nc3 Nd7 10. a3 Nxd3+ 11. Bxd3 Bxd3 12. Qxd3 Be7 13. O-O O-O 14. Rfd1 Nf6
15. Ne4 Qa5 16. b4 Qh5 17. Rab1 a6 18. Nxf6+ Bxf6 19. a4 Rfd8 20. b5 axb5 21.
axb5 Qg6 22. Qxg6 hxg6 23. g4 Ra4 24. g5 Be7 25. Rdc1 Rc8 26. bxc6 bxc6 27. Rb7
Kf8 28. Kf1 Ke8 29. h3 Ra5 30. c5 Bd8 31. Bf4 Ra4 32. Rd1 Rca8 33. h4 R8a7 34.
Rb8 Ra8 35. Rb7 R8a7 36. Rb8 Ra8 37. Rxa8 Rxa8 38. Rb1 Ra4 39. Be3 Ra7 40. Rb4
Bc7 41. Kg2 Kd7 42. Kf3 Ra2 43. Rb7 Kc8 44. Rb1 e5 45. dxe5 Bxe5 46. Rb6 Kc7 47.
Ke4 f6 48. f4 Bc3 49. Rb3 Be1 50. gxf6 gxf6 51. f5 Ra4+ 52. Kf3 gxf5 53. h5 Rh4
54. Bf4+ Kc8 55. Rb8+ Kd7 56. h6 Bc3 57. h7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Brown, Andrew"]
[Black "Van Der Poel, Henk"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2202"]
[BlackElo "2292"]
[ECO "E15"]
[Opening "Queen's Indian"]
[Variation "Nimzovich variation (exaggerated fianchetto)"]
[WhiteFideId "3206513"]
[BlackFideId "1002449"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 Bb4+ 6. Nbd2 O-O 7. Bg2 d5 8. O-O
c5 9. e4 Nc6 10. e5 Nd7 11. cxd5 exd5 12. Re1 Rc8 13. Qf5 Nxd4 14. Nxd4 cxd4 15.
a3 Bxd2 16. Bxd2 Nc5 17. Bg5 Qe8 18. Rad1 Qe6 19. Qf3 Ne4 20. Bf4 d3 21. Qh5 Rc2
22. Rxe4 dxe4 23. Bxe4 g6 24. Qh6 Rxb2 25. Bxd3 Qg4 26. Bxa6 Qxd1+ 27. Kg2 Qd5+
28. Kh3 Rxf2 29. Bg5 Qxe5 30. Bb7 Qe6+ 31. g4 Qb3+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "L'Ami, Alina"]
[Black "Van Mierlo, Guido"]
[Result "1-0"]
[WhiteTitle "WGM"]
[WhiteElo "2312"]
[BlackElo "2097"]
[ECO "D19"]
[Opening "QGD Slav"]
[Variation "Dutch variation, main line"]
[WhiteFideId "1210246"]
[BlackFideId "1032453"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
O-O 9. Qe2 Nbd7 10. e4 Bg6 11. Bd3 Bh5 12. e5 Nd5 13. Nxd5 cxd5 14. Qe3 Be7 15.
Ne1 Bg6 16. f4 Bxd3 17. Nxd3 a5 18. f5 exf5 19. Rxf5 Ra6 20. Bd2 Re8 21. Qf3 Nf8
22. Rxf7 Ne6 23. Be3 Rb6 24. Rf1 Bg5 25. Nc5 Bxe3+ 26. Qxe3 Nxc5 27. dxc5 Rbe6
28. Qg3 Rg6 29. Qf3 Rge6 30. Rxb7 R6e7 31. Rb6 h6 32. Rd6 Qc7 33. Qxd5+ Kh8 34.
e6 Qb8 35. Rb6 Qc8 36. Re1 Rf8 37. Qd6 Rfe8 38. c6 Qa8 39. c7 Qa7 40. Rc1 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Viergever, Max"]
[Black "Mostertman, Milan"]
[Result "0-1"]
[WhiteElo "2123"]
[BlackElo "2232"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1019058"]
[BlackFideId "1025848"]
[EventDate "2011.07.19"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. Na3 Nc6 6. Bb5 Bd7 7. exd6 e6 8. Nc4
a6 9. Bxc6 Bxc6 10. d4 Bxd6 11. Nxd6+ Qxd6 12. O-O O-O 13. Be3 cxd4 14. Bxd4
Rfd8 15. Ne5 f6 16. Nxc6 Qxc6 17. Qf3 Rd7 18. Rad1 Rad8 19. Be3 Qc4 20. a3 Qb5
21. Bc1 Qb3 22. h3 e5 23. Qg4 b5 24. Qe6+ Kh8 25. Qxa6 Qc4 26. Qa5 Qc6 27. c4
bxc4 28. Qe1 Nf4 29. Bxf4 Rxd1 30. Qxd1 Rxd1 31. Rxd1 Kg8 32. Be3 Kf7 33. Rc1
Qb5 34. Rc2 f5 35. Bc1 Qa4 36. Rc3 Ke6 37. Kh2 Kd5 38. Be3 Qd1 39. Rc1 Qb3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Vogel, Jaap"]
[Black "Gruenhagen, Marc"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2221"]
[BlackElo "2133"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "1000764"]
[BlackFideId "24667862"]
[EventDate "2011.07.19"]

1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. e3 a6 5. Nbd2 Bf5 6. Be2 e6 7. Nh4 Bg6 8. Nxg6
hxg6 9. Qc2 Nbd7 10. O-O Qc7 11. g3 c5 12. cxd5 Nxd5 13. Ne4 Rc8 14. Bd2 cxd4
15. Qxc7 Rxc7 16. exd4 Bb4 17. Bxb4 Nxb4 18. Rfc1 Rxc1+ 19. Rxc1 O-O 20. Rc7 Nf6
21. Rxb7 a5 22. Ng5 Nc6 23. Bc4 Nxd4 24. b3 Rd8 25. Nxf7 Rd7 26. Rxd7 Nxd7 27.
Ng5 Nc5 28. f3 Kf8 29. Kf2 Ke7 30. Ke3 Nf5+ 31. Kd2 Kf6 32. f4 Nd6 33. Bd3 Nxd3
34. Kxd3 Kf5 35. Nf3 Kg4 36. Ng1 g5 37. fxg5 Kxg5 38. h3 Kf5 39. Nf3 e5 40. Ke3
Ke6 41. g4 Kd5 42. Nd2 Nb5 43. Nc4 Nc3 44. a3 Nd1+ 45. Ke2 Nc3+ 46. Ke3 Nd1+ 47.
Ke2 Nc3+ 48. Kd3 Nd1 49. Ne3+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Swinkels, Maurice"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[WhiteElo "2102"]
[BlackElo "2210"]
[ECO "C19"]
[Opening "French"]
[Variation "Winawer, advance, positional main line"]
[WhiteFideId "1026305"]
[BlackFideId "1002589"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 Bd7 8. a4
Qa5 9. Bd2 c4 10. Qb1 b5 11. axb5 Qxb5 12. Qd1 a5 13. Bc1 Nbc6 14. Ng5 h6 15.
Qh5 Ng6 16. Nf3 a4 17. Ba3 Rb8 18. Kd2 Qa5 19. g3 Kd8 20. Bh3 Kc8 21. Rhb1 Na7
22. Nh4 Qd8 23. Nxg6 fxg6 24. Qd1 Nb5 25. Bb4 h5 26. Rxa4 Nxc3 27. Bxc3 Bxa4 28.
Bxe6+ Bd7 29. Rxb8+ Kxb8 30. Qb1+ Kc8 31. Bxd5 Qc7 32. Qa2 Bc6 33. Qa6+ Kd7 34.
e6+ Kd6 35. Qxc4 Qb6 36. Bb4+ Kc7 37. Qxc6+ Qxc6 38. Bxc6 Kxc6 39. c4 Ra8 40.
d5+ Kc7 41. d6+ Kc6 42. d7 Kc7 43. Be7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Beukema, Stefan"]
[Black "Kampman, Tijmen"]
[Result "1/2-1/2"]
[WhiteElo "2209"]
[BlackElo "2111"]
[ECO "C10"]
[Opening "French"]
[Variation "Paulsen variation"]
[WhiteFideId "1024523"]
[BlackFideId "1009079"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. Bg5 Be7 6. Bxf6 Bxf6 7. Bb5 O-O 8.
O-O Nb8 9. Qd2 b6 10. Rad1 Bb7 11. Rfe1 dxe4 12. Nxe4 Bxe4 13. Rxe4 Qd5 14. Bd3
Qxa2 15. Ree1 Qa4 16. Be4 c6 17. Bd3 Be7 18. c3 Nd7 19. Qe2 Qa5 20. Ne5 Nxe5 21.
dxe5 b5 22. Qe4 g6 23. Qxc6 b4 24. c4 Qb6 25. Qf3 Bc5 26. b3 a5 27. Bc2 Rad8 28.
Qf6 Rd4 29. Rxd4 Bxd4 30. Rd1 Qc5 31. Re1 Rb8 32. h4 a4 33. bxa4 b3 34. Bb1 Bc3
35. Re3 Qd4 36. Qf3 Ba5 37. h5 b2 38. h6 Bd8 39. Rd3 Qxe5 40. Rd7 Bf6 41. a5
Qe1+ 42. Kh2 Be5+ 43. g3 Rf8 44. Qe3 Qxa5 45. Rd5 Bxg3+ 46. Qxg3 exd5 47. Qe5 f6
48. Qe6+ Rf7 49. Qe8+ Rf8 50. Qd7 Rf7 51. Qe8+ Rf8 52. Qe7 Rf7 53. Qe8+ Rf8 54.
Qe6+ Rf7 55. Qc8+ Rf8 56. Qb7 Rf7 57. Qb8+ Rf8 58. Qb7 Rf7 59. Qc8+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Van Foreest, Jorden"]
[Black "Wroblowski, Oliver"]
[Result "1-0"]
[WhiteElo "2097"]
[BlackElo "2191"]
[ECO "B59"]
[Opening "Sicilian"]
[Variation "Boleslavsky variation, 7.Nb3"]
[WhiteFideId "1039784"]
[BlackFideId "24698679"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be7 8. O-O
O-O 9. Be3 Be6 10. f3 d5 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Qxd5 Bxd5 14. c3 Rfd8
15. Rfd1 Be6 16. Bd3 b6 17. Be4 Rac8 18. f4 f6 19. Rxd8+ Bxd8 20. f5 Bf7 21. Rd1
Be8 22. Nd2 Be7 23. Bd5+ Kf8 24. Ne4 Rd8 25. Rd2 Nb8 26. c4 Na6 27. a3 Nc5 28.
Nc3 Nb3 29. Rd1 Bc5 30. Bxc5+ bxc5 31. Rd3 a5 32. g4 Bc6 33. Ne4 Ba4 34. g5 fxg5
35. Nxg5 Ke7 36. Ne6 Rd7 37. Nxg7 Kf6 38. Ne6 Kxf5 39. Rf3+ Kg4 40. Re3 Kf5 41.
Rf3+ Kg4 42. Rf6 h5 43. Bf3+ Kh3 44. Rh6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Timmermans, Mark"]
[Black "Bakker, Guido"]
[Result "1-0"]
[WhiteElo "2183"]
[BlackElo "2088"]
[ECO "B37"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, Maroczy bind, 5...Bg7"]
[WhiteFideId "1026399"]
[BlackFideId "1027875"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 d6 7. Be2 Nf6 8. Nc3
O-O 9. O-O Bd7 10. Be3 Rc8 11. Rc1 a6 12. Qd2 Re8 13. h3 Ne5 14. b3 Bc6 15. f3
b6 16. Rfd1 Ned7 17. Nd5 Bb7 18. Qe1 Rb8 19. Qf2 Bc8 20. Ncb4 Bb7 21. Nxb6 Bxe4
22. Nxa6 Rxb6 23. Bxb6 Qxb6 24. Qxb6 Nxb6 25. fxe4 Nxe4 26. Bf3 Nc3 27. Rd3 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Vereggen, Lars"]
[Black "Hoogland, Dirk"]
[Result "1-0"]
[BlackTitle "CM"]
[WhiteElo "2036"]
[BlackElo "2181"]
[ECO "E11"]
[Opening "Bogo-Indian defence"]
[WhiteFideId "1029258"]
[BlackFideId "1012533"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Nbxd2 d6 7. e4 Nc6 8.
Rc1 O-O 9. Be2 b6 10. O-O Re8 11. Qc2 Ba6 12. Rfd1 Qe7 13. Bf1 Nd7 14. Nb1 Bb7
15. Nc3 Qf6 16. Qd2 Qg6 17. Bd3 e5 18. d5 Ne7 19. b4 Qg4 20. Ra1 Ng6 21. Ne2 Nf4
22. Nxf4 Qxf4 23. Qe2 f5 24. Nd2 fxe4 25. Nxe4 Nf6 26. f3 Rf8 27. Qc2 g6 28.
Nxf6+ Rxf6 29. Be4 Rff8 30. Qc3 Qg5 31. c5 bxc5 32. bxc5 Ba6 33. Qxa5 Be2 34.
Qd2 Qxd2 35. Rxd2 Bb5 36. Rb2 Ba4 37. c6 Kf7 38. Rb7 Rfc8 39. h4 Ra5 40. Rc1 Bb5
41. Rc3 Kf6 42. Kf2 h5 43. Ke3 g5 44. g3 gxh4 45. gxh4 Bf1 46. Rb1 Bh3 47. Rg1
Rca8 48. Rg6+ Kf7 49. Rh6 Rxa3 50. Rxa3 Rxa3+ 51. Kf2 Ra2+ 52. Kg1 Rg2+ 53. Kh1
Rg7 54. Rxh5 Bc8 55. Kh2 Ba6 56. Rf5+ Kg8 57. h5 Bc8 58. Rf6 Rf7 59. Rxf7 Kxf7
60. h6 Kf6 61. Kg3 Kf7 62. Kh4 Kf6 63. Bd3 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Lommers, Frank"]
[Black "Offringa, Joost"]
[Result "1/2-1/2"]
[WhiteElo "2176"]
[BlackElo "2085"]
[ECO "C44"]
[Opening "Scotch gambit"]
[Variation "Dubois-Reti defence"]
[WhiteFideId "1010107"]
[BlackFideId "1025880"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8.
Bxc6 bxc6 9. O-O Bc5 10. Be3 O-O 11. f3 Ng5 12. f4 Ne4 13. Nd2 Nxd2 14. Qxd2 Qe7
15. Rae1 Rab8 16. f5 Rfe8 17. Nb3 Bb6 18. Kh1 Qh4 19. Bg5 Qh5 20. Qf4 f6 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Jonker, Fred"]
[Black "Smagin, Nikita"]
[Result "1/2-1/2"]
[WhiteElo "2154"]
[BlackElo "1977"]
[ECO "B08"]
[Opening "Pirc"]
[Variation "classical system, 5.Be2"]
[WhiteFideId "1005260"]
[BlackFideId "24149039"]
[EventDate "2011.07.19"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Bg4 7. Be3 Nc6 8. a4
e5 9. d5 Ne7 10. a5 a6 11. Nd2 Bxe2 12. Qxe2 Nd7 13. Na4 f5 14. f3 f4 15. Bf2 g5
16. c4 Rf7 17. b4 Bf8 18. c5 Nf6 19. b5 axb5 20. cxd6 cxd6 21. Nb6 Rb8 22. Qxb5
Ng6 23. Nbc4 h5 24. Qb6 g4 25. Qxd8 Rxd8 26. Rfb1 Rdd7 27. Rb6 Ne8 28. Nb3 Rg7
29. fxg4 hxg4 30. g3 Nf6 31. Re1 fxg3 32. Bxg3 Rgf7 33. Nbd2 Bh6 34. Nf1 Bf8 35.
Nfd2 Bh6 36. Nb3 Bf8 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Van Meegen, Ruud"]
[Black "Von Meijenfeldt, Bart"]
[Result "1/2-1/2"]
[WhiteElo "1947"]
[BlackElo "2154"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "1034995"]
[BlackFideId "1032259"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
h5 9. Nd5 Bxd5 10. exd5 Nbd7 11. Qd2 Qc7 12. c4 e4 13. fxe4 Nxe4 14. Qd4 Nef6
15. Bd3 Be7 16. O-O Ne5 17. Bf4 Nfd7 18. Rae1 Bf6 19. Bf5 O-O 20. Qe4 Rae8 21.
Bxd7 Qxd7 22. Bxe5 Bxe5 23. Qh4 g6 24. Qf2 Re7 25. h3 Rfe8 26. Kh1 b5 27. Na5 f5
28. Nc6 Rf7 29. Nxe5 dxe5 30. b3 Kh7 31. Qb6 bxc4 32. bxc4 e4 33. Qb3 f4 34. c5
f3 35. c6 Qd6 36. gxf3 e3 37. Rxe3 Qg3 38. Rxe8 Qxh3+ 39. Kg1 Qg3+ 40. Kh1 Qh3+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.20"]
[Round "2"]
[White "Merza, Morris"]
[Black "Cox, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2145"]
[BlackElo "1962"]
[ECO "C50"]
[Opening "Giuoco Pianissimo"]
[WhiteFideId "1027140"]
[BlackFideId "1031384"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Be3 Bb6 7. Nbd2 O-O 8. Bg5
Re8 9. Qe2 Be6 10. Bb5 h6 11. Bh4 Bd7 12. Ba4 Ne7 13. Bxd7 Nxd7 14. g4 Nf8 15.
Bg3 Neg6 16. O-O-O Ne6 17. h4 Ngf4 18. Qf1 Qf6 19. g5 Qg6 20. gxh6 Qxh6 21. Ng5
c6 22. Kb1 Qh5 23. Nc4 Rad8 24. f3 Bc7 25. Ne3 f6 26. Nxe6 Nxe6 27. Nf5 Bb6 28.
d4 g6 29. Ne3 exd4 30. Ng4 Kf7 31. cxd4 Bxd4 32. Qc4 Qc5 33. Qb3 Qb6 34. Qc2 Qc5
35. Qb3 Qb6 36. Qc2 Qc5 37. Qb3 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Nijboer, Friso"]
[Black "Turov, Maxim"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2546"]
[BlackElo "2630"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "1000063"]
[BlackFideId "4120086"]
[EventDate "2011.07.19"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O Nc8 7. Nbd2 Be7 8. Nb3
Nb6 9. a4 a5 10. Ne1 O-O 11. f4 Bg6 12. Nd3 N8d7 13. Be3 Nc4 14. Bf2 Qc7 15. Bg4
b5 16. Qe2 Rfb8 17. axb5 Rxb5 18. Ra2 Rab8 19. Ndc1 Be4 20. Bf3 Bxf3 21. Qxf3 f5
22. exf6 Nxf6 23. Ne2 Ne4 24. Nc3 Nxc3 25. Qxc3 Bd6 26. g3 Qf7 27. Qf3 Qg6 28.
Rc1 h5 29. Kh1 Qf5 30. Be1 Bc7 31. Bc3 Bd6 32. Qe2 h4 33. Re1 hxg3 34. Qxe6+
Qxe6 35. Rxe6 Kf7 36. f5 Rh8 37. Nxa5 Rxa5 38. Bxa5 Rxh2+ 39. Kg1 Bf4 40. Bc7
Nd2 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "L'Ami, Erwin"]
[Black "Milov, Leonid"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2611"]
[BlackElo "2515"]
[ECO "D17"]
[Opening "QGD Slav"]
[Variation "Krause attack"]
[WhiteFideId "1007998"]
[BlackFideId "14101068"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Nb6 8.
Ne3 Bg6 9. a5 Nbd5 10. Qb3 Nxe3 11. Bxe3 Qd7 12. g3 e6 13. Bg2 Nd5 14. Bd2 Be7
15. O-O O-O 16. e4 Nb4 17. Ne2 Na6 18. Be3 c5 19. Rfd1 Rac8 20. e5 Rc7 21. Nf4
c4 22. Qc3 Bb4 23. Qc1 c3 24. d5 cxb2 25. Qxb2 Bc3 26. Qb3 Bxa1 27. dxe6 Qe7 28.
exf7+ Kh8 29. Nxg6+ hxg6 30. Rxa1 Qxe5 31. Ra4 Rcxf7 32. Rh4+ Kg8 33. Bd5 Qa1+
34. Kg2 Qxa5 35. Qxb7 Nc7 36. Bc4 Qe5 37. Bf4 Qf6 38. Qxc7 g5 39. Rg4 gxf4 40.
Rxf4 Qg6 41. Bxf7+ Rxf7 42. Qb8+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Fier, Alexandr"]
[Black "Deepan Chakkravarthy J."]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2566"]
[BlackElo "2470"]
[ECO "D87"]
[Opening "Gruenfeld"]
[Variation "exchange, Spassky variation"]
[WhiteFideId "2107139"]
[BlackFideId "5011132"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8.
Ne2 O-O 9. O-O Nc6 10. Be3 Qc7 11. Rc1 Rd8 12. Bf4 Be5 13. Bxe5 Nxe5 14. Bb3 Ng4
15. Ng3 Qf4 16. Qe2 cxd4 17. Rcd1 e5 18. h3 Nf6 19. cxd4 exd4 20. Qb2 d3 21. Bd5
Nxd5 22. Rxd3 Bxh3 23. exd5 Bd7 24. Rf3 Qc4 25. Rd1 Rac8 26. Qf6 Be6 27. Rd4
Qc1+ 28. Kh2 Rxd5 29. Rxd5 Bxd5 30. Nf5 gxf5 31. Rg3+ Kf8 32. Qd6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Lenderman, Aleksandr"]
[Black "Radulski, Julian"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2525"]
[BlackElo "2556"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[WhiteFideId "2021285"]
[BlackFideId "2901595"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 Nf6 6. e3 O-O 7. Bd3 Re8 8.
Nge2 c6 9. Qc2 a5 10. O-O Na6 11. a3 g6 12. h3 Nc7 13. Rab1 Ne6 14. Be5 Ng7 15.
f3 Nf5 16. Qd2 Nd7 17. Bxf5 Nxe5 18. Bxc8 Nc4 19. Qd3 Rxc8 20. e4 b5 21. exd5
cxd5 22. Nxb5 Rb8 23. Nec3 Bg5 24. f4 Re3 25. Qd1 Bh4 26. Qc1 Rg3 27. Re1 Qd7
28. b3 Qxh3 29. Re2 Ne3 30. Qxe3 Rxg2+ 31. Rxg2 Qxe3+ 32. Kh1 Qh3+ 33. Rh2 Qf3+
34. Rg2 Rxb5 35. Nxb5 Qd3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Georgiev, Vladimir"]
[Black "Ikeda, Junta"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2559"]
[BlackElo "2349"]
[ECO "E43"]
[Opening "Nimzo-Indian"]
[Variation "Fischer variation"]
[WhiteFideId "2903024"]
[BlackFideId "3204731"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 7. O-O Bxc3 8. bxc3
O-O 9. Nd2 Nxd2 10. Bxd2 f5 11. Qc2 Qh4 12. f4 Qf6 13. Rae1 c5 14. e4 fxe4 15.
Rxe4 Bxe4 16. Bxe4 Nc6 17. Bxh7+ Kf7 18. f5 Ke8 19. Bg6+ Kd8 20. Qc1 Qe7 21. Bg5
Rf6 22. Bxf6 gxf6 23. fxe6 cxd4 24. exd7 Kxd7 25. cxd4 Rg8 26. Qf4 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Hendriks, Willy"]
[Black "Timman, Jan H"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2415"]
[BlackElo "2575"]
[ECO "B06"]
[Opening "Robatsch (modern) defence"]
[WhiteFideId "1000713"]
[BlackFideId "1000012"]
[EventDate "2011.07.19"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bg5 a6 5. Nf3 Nd7 6. a4 h6 7. Be3 e6 8. a5 Ne7
9. g3 Nf6 10. h3 b5 11. axb6 cxb6 12. Bb5+ Nd7 13. Qe2 O-O 14. O-O Nb8 15. Bd3
Bb7 16. Nb1 b5 17. Nbd2 Nd7 18. c3 f5 19. exf5 gxf5 20. Bxh6 Bxh6 21. Qxe6+ Kg7
22. Rfe1 Rf7 23. Qxd6 Rc8 24. d5 Nc5 25. Qe5+ Kg8 26. Bc2 Ng6 27. Qd4 Bg7 28.
Qe3 Bxd5 29. Qg5 Qxg5 30. Nxg5 Rff8 31. Nf1 Ne5 32. Ne3 Be4 33. Bxe4 Nxe4 34.
Nxe4 Nf3+ 35. Kf1 Nxe1 36. Nd6 Rcd8 37. Rxa6 f4 38. gxf4 Nd3 39. f5 Rf6 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Ly, Moulthun"]
[Black "Vovk, Yuri"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2369"]
[BlackElo "2564"]
[ECO "B46"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[WhiteFideId "3204405"]
[BlackFideId "14113171"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 Qc7 7. a4 Nf6 8. O-O
Nxd4 9. Qxd4 Bd6 10. Kh1 Be5 11. Qd3 b6 12. f4 Bxc3 13. bxc3 Bb7 14. Bf3 d5 15.
exd5 Nxd5 16. c4 Ne7 17. Bxb7 Qxb7 18. f5 Rd8 19. Qe2 Nxf5 20. Bg5 Ne7 21. Rab1
Qc7 22. Bxe7 Qxe7 23. Rxb6 O-O 24. Rxa6 Qc5 25. h3 Rd4 26. Qf3 Rxc4 27. Ra8 f5
28. Rxf8+ Kxf8 29. Rd1 Rxa4 30. Qb3 Qc6 31. Qb8+ Kf7 32. Rd8 Ra1+ 33. Kh2 Qc5
34. Rd7+ Kg6 35. Qg3+ Kh5 36. Qf3+ Kh6 37. Qf4+ g5 38. Qd4 Qxd4 39. Rxd4 Kg6 40.
Kg3 Ra3+ 41. Kf2 Rc3 42. Rd2 f4 43. Re2 Kf5 44. Ke1 e5 45. Kd2 Rg3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Brandenburg, Daan"]
[Black "Maatman, Nick"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2538"]
[BlackElo "1994"]
[ECO "C05"]
[Opening "French"]
[Variation "Tarrasch, closed variation"]
[WhiteFideId "1011014"]
[BlackFideId "1040391"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ndf3 Nc6 7. Ne2 a5 8. g3 a4
9. a3 Nb6 10. Nc3 Bd7 11. Be3 Na5 12. Bf2 Qc8 13. Bh3 cxd4 14. Qxd4 Nbc4 15. f5
Nxb2 16. O-O Nbc4 17. Nxd5 exd5 18. e6 fxe6 19. fxe6 Bc6 20. Ng5 Qc7 21. e7 Bxe7
22. Qxg7 Rf8 23. Bd4 Rxf1+ 24. Rxf1 Qd6 25. Qg8+ Bf8 26. Re1+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Van Der Poel, Henk"]
[Black "Petrov, Marijan"]
[Result "1-0"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2292"]
[BlackElo "2534"]
[ECO "B09"]
[Opening "Pirc"]
[Variation "Austrian attack"]
[WhiteFideId "1002449"]
[BlackFideId "2901773"]
[EventDate "2011.07.19"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 O-O 6. Be2 c5 7. dxc5 Qa5 8. O-O
Qxc5+ 9. Kh1 Nc6 10. Bd3 Bg4 11. h3 Qh5 12. Qe1 Rfe8 13. Nh2 Bd7 14. f5 g5 15.
Qg3 h6 16. Bd2 Nb4 17. Rae1 Rac8 18. a3 Nxd3 19. cxd3 Bc6 20. d4 Red8 21. Qe3 g4
22. Qf4 gxh3 23. g4 Qh4 24. Rg1 Nh7 25. Nf3 Qf6 26. d5 h2 27. Qxh2 Bd7 28. g5
hxg5 29. Nxg5 Nf8 30. Nf3 Bxf5 31. exf5 Qxf5 32. Nh4 Qh7 33. Rg4 Kh8 34. Rxe7
Bf6 35. Re1 Re8 36. Rxe8 Rxe8 37. Nf3 Ng6 38. Qxh7+ Kxh7 39. Kg2 Ne7 40. Ng5+
Bxg5 41. Rxg5 f6 42. Rh5+ Kg6 43. Rh6+ Kf5 44. Kf3 Ke5 45. Bf4+ Kd4 46. Rxf6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Neverov, Valeriy"]
[Black "Kuipers, Stefan"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2500"]
[BlackElo "2365"]
[ECO "D43"]
[Opening "QGD semi-Slav"]
[WhiteFideId "14100150"]
[BlackFideId "1018400"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Nd7 8. Bd3
dxc4 9. Bxc4 g6 10. O-O Bg7 11. Qe2 O-O 12. Rad1 b6 13. e4 Bb7 14. Ba6 Bxa6 15.
Qxa6 e5 16. d5 Nc5 17. Qe2 cxd5 18. Nxd5 Qd8 19. Rd2 Re8 20. Rc1 Qb8 21. Rdc2
Qd8 22. b4 Ne6 23. Qa6 Nf4 24. Nc7 Rc8 25. g3 Qd7 26. Ne1 Nh3+ 27. Kg2 Red8 28.
Qe2 Ng5 29. Nd5 Rxc2 30. Qxc2 Nxe4 31. Qxe4 Qxd5 32. Qxd5 Rxd5 33. Rc8+ Bf8 34.
Nc2 Kg7 35. Rc7 a5 36. Ne3 Rd2 37. bxa5 bxa5 38. a4 Ra2 39. Rc4 Bb4 40. Kf1 Ra1+
41. Kg2 h5 42. h4 Kf6 43. Nd5+ Kg7 44. Nxb4 Rxa4 45. Rc5 axb4 46. Rxe5 Ra2 47.
Rb5 Rb2 48. Rb6 b3 49. Kf3 Rb1 50. Kf4 Rf1 51. Kf3 Rb1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Vovk, Andrey"]
[Black "Van der Linden, Lucas"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2551"]
[BlackElo "2275"]
[ECO "B48"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[WhiteFideId "14114470"]
[BlackFideId "1008722"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8.
O-O-O Bb4 9. f3 Ne5 10. Nb3 b5 11. Qe1 Be7 12. f4 Ng6 13. e5 Ng4 14. Bd3 Bb7 15.
Ne4 Nxe3 16. Qxe3 O-O 17. h4 f5 18. exf6 Bxf6 19. g3 Ne7 20. Nxf6+ Rxf6 21. Rhe1
Nf5 22. Qf2 Rc8 23. Re5 Ne7 24. Re2 Bd5 25. Kb1 Nc6 26. c3 Na5 27. Nd2 Rff8 28.
Be4 Bxe4+ 29. Nxe4 Nc4 30. Qd4 Rcd8 31. Nc5 a5 32. f5 e5 33. Qd5+ Kh8 34. g4 Rc8
35. Ne4 Qb6 36. Nd6 Nxd6 37. Qxd6 Qxd6 38. Rxd6 Rc5 39. Rxd7 h5 40. Rg2 hxg4 41.
Rxg4 Rxf5 42. Rgxg7 Rh5 43. Rge7 Rc8 44. Rd5 b4 45. Rxa5 bxc3 46. b3 Rxh4 47.
Raxe5 c2+ 48. Kc1 Rh6 49. Re8+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Arnaudov, G. Petar"]
[Black "Vogel, Jaap"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2439"]
[BlackElo "2221"]
[ECO "A14"]
[Opening "English"]
[Variation "Neo-Catalan declined"]
[WhiteFideId "2907127"]
[BlackFideId "1000764"]
[EventDate "2011.07.19"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3
Nbd7 9. Qe2 c5 10. d3 Qc7 11. Nbd2 dxc4 12. Nxc4 b5 13. Ncd2 Bc6 14. Rac1 Qb7
15. e4 a5 16. Rfe1 a4 17. Rc2 axb3 18. axb3 Rfe8 19. Rec1 Ra2 20. b4 Rc8 21. Nb3
Nxe4 22. dxe4 Bxe4 23. Rd2 Bd5 24. Nxc5 Nxc5 25. bxc5 Bxc5 26. Bd4 Rxd2 27. Qxd2
Be7 28. Rxc8+ Qxc8 29. Ne1 Bxg2 30. Nxg2 Qc6 31. Ne3 f6 32. Bb2 Kf7 33. Qd3 g6
34. Qd4 h5 35. h4 e5 36. Qa7 b4 37. Qa2+ Qe6 38. Nd5 f5 39. Qc4 Bd6 40. Qc6 f4
41. Nc7 Qe7 42. Qc4+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Hachijan, Armen"]
[Black "Turova, Irina"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2165"]
[BlackElo "2413"]
[ECO "C70"]
[Opening "Ruy Lopez"]
[Variation "Cozio defence deferred"]
[WhiteFideId "1028081"]
[BlackFideId "4120876"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. O-O g6 6. c3 Bg7 7. d4 exd4 8. cxd4
b5 9. Bb3 Na5 10. Bc2 O-O 11. Re1 d6 12. h3 c5 13. Nc3 cxd4 14. Ne2 Nec6 15.
Nexd4 Nxd4 16. Nxd4 Qc7 17. Bg5 Nc4 18. b3 Qc5 19. Be3 Nxe3 20. fxe3 Bb7 21. Rc1
Qe5 22. Nf3 Qe7 23. Bd3 Rfe8 24. a4 bxa4 25. bxa4 Bxe4 26. Bxe4 Qxe4 27. Qxd6
Qxa4 28. Rc7 Rad8 29. Qc5 Rd1 30. Rxd1 Qxd1+ 31. Kh2 Bf8 32. Qc6 Bd6+ 33. g3
Rxe3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Zwirs, Nico"]
[Black "Odendahl, Reiner"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2125"]
[BlackElo "2375"]
[ECO "B60"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Larsen variation"]
[WhiteFideId "1036432"]
[BlackFideId "4613570"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Be2 Qa5 8.
Bxf6 gxf6 9. O-O Nxd4 10. Qxd4 Rc8 11. Nd5 Qc5 12. Qd3 Qxc2 13. Qe3 Bh6 14. Qxh6
Qxe2 15. Qg7 Rf8 16. Rac1 Rxc1 17. Rxc1 Bc6 18. Nc7+ Kd7 19. Qxf8 Qxe4 20. Qg7
Kxc7 21. Qg3 e5 22. h3 a6 23. Qg4 Qg6 24. Qxg6 fxg6 25. Rc4 g5 26. g4 d5 27. Rc1
Kd6 28. f3 Ke6 29. Kf2 f5 30. gxf5+ Kxf5 31. b4 d4 32. a4 Bxa4 33. Rc7 h5 34.
Rxb7 Bb5 35. Rh7 h4 36. Rf7+ Ke6 37. Rg7 Kf6 38. Rb7 Bd3 39. Ra7 Ke6 40. Rg7 Kf5
41. Rf7+ Kg6 42. Re7 Kf6 43. Ra7 Bc4 44. Rb7 Kf5 45. Rc7 Bb5 46. Rf7+ Ke6 47.
Rg7 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Kollen, Zyon"]
[Black "Sowray, Peter J"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2118"]
[BlackElo "2350"]
[ECO "B46"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[WhiteFideId "1024256"]
[BlackFideId "400971"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. a3 d6 8. f3
Be7 9. Qd2 O-O 10. O-O-O Nxd4 11. Qxd4 b5 12. Kb1 Rb8 13. e5 dxe5 14. Qa7 Bd7
15. Bg5 Ra8 16. Qb7 Rb8 17. Qxa6 b4 18. axb4 Rxb4 19. Bxf6 Bxf6 20. Ne4 Qc7 21.
c3 Rb6 22. Qc4 Qb7 23. Nxf6+ gxf6 24. Qg4+ Kh8 25. b4 Rc8 26. Qh4 Kg7 27. Bd3
Rxc3 28. Qxh7+ Kf8 29. Kb2 Rc8 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Vishnu Prasanna. V"]
[Black "Timmermans, Mark"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2340"]
[BlackElo "2183"]
[ECO "C63"]
[Opening "Ruy Lopez"]
[Variation "Schliemann defence"]
[WhiteFideId "5030692"]
[BlackFideId "1026399"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. O-O d6 7. Qe2 Be7 8. Qc4
Qd7 9. Nc3 a6 10. Ba4 Rb8 11. Qe2 O-O 12. h3 Kh8 13. Rd1 Qe8 14. a3 Be6 15. Nd5
Bd8 16. Bb3 Qg6 17. Nxf6 Bxh3 18. Ng5 Bxg2 19. Nfxh7 Bxg5 20. Nxg5 Bf3 21. Qf1
Bxd1 22. Qxd1 Nd4 23. Kg2 Nxb3 24. cxb3 Rf6 25. Be3 Rbf8 26. Qg4 Kg8 27. Rh1 c6
28. Rh5 Rd8 29. Kf1 Qe8 30. Qh4 Rh6 31. Rxh6 gxh6 32. Qxh6 Rd7 33. f4 exf4 34.
Bd4 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Vos, Tjark"]
[Black "L'Ami, Alina"]
[Result "0-1"]
[BlackTitle "WGM"]
[WhiteElo "1842"]
[BlackElo "2312"]
[ECO "B94"]
[Opening "Sicilian"]
[Variation "Najdorf, 6.Bg5"]
[WhiteFideId "1020870"]
[BlackFideId "1210246"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qa5 8.
Bxf6 Nxf6 9. O-O g6 10. Qe2 Bg7 11. Kh1 O-O 12. f4 b5 13. Nc6 Qc7 14. Bd5 Bb7
15. Nb4 e6 16. Bxb7 Qxb7 17. a3 a5 18. Nxb5 axb4 19. Nxd6 Qa6 20. Qxa6 Rxa6 21.
e5 Nd5 22. axb4 Nxb4 23. Rxa6 Nxa6 24. Ra1 Nb4 25. c4 Nd3 26. g3 f6 27. Ra5 fxe5
28. c5 exf4 29. gxf4 Nxf4 30. c6 Nd5 31. Rxd5 exd5 32. c7 Bxb2 33. c8=Q Rxc8 34.
Nxc8 Kf7 35. h4 Ke6 36. Kg2 Bd4 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Goudriaan, Etienne"]
[Black "Swinkels, Maurice"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2283"]
[BlackElo "2102"]
[ECO "B65"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4"]
[WhiteFideId "1021150"]
[BlackFideId "1026305"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5 11. Bc4 Bd7 12. e5 dxe5 13. fxe5 Bc6 14. Bd2
Nd7 15. Nd5 Qd8 16. Nxe7+ Qxe7 17. Kb1 a5 18. Rhe1 b5 19. Bf1 Rfc8 20. Re3 b4
21. Bd3 Bd5 22. Rg3 Nf8 23. h4 Qc5 24. Qg4 g6 25. Rf1 Bc4 26. Qf3 Rc7 27. Be3
Qb5 28. Bh6 Bxd3 29. cxd3 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Beerdsen, Thomas"]
[Black "Bus, Tom"]
[Result "1/2-1/2"]
[WhiteElo "2009"]
[BlackElo "2237"]
[ECO "B65"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4"]
[WhiteFideId "1030108"]
[BlackFideId "1014374"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5 11. Kb1 Rd8 12. Bc4 Bd7 13. Bb3 Bc6 14. Rhf1
b5 15. f5 b4 16. Ne2 Bb5 17. Rde1 e5 18. Qe3 Qc7 19. Bxf6 Bxf6 20. Rf2 a5 21.
Ng3 a4 22. Bd5 Rac8 23. Nh5 Qe7 24. h4 a3 25. g4 Bxh4 26. f6 Qc7 27. Rh2 h6 28.
fxg7 Bg5 29. Qf3 axb2 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Mostertman, Milan"]
[Black "Van Foreest, Jorden"]
[Result "1-0"]
[WhiteElo "2232"]
[BlackElo "2097"]
[ECO "B92"]
[Opening "Sicilian"]
[Variation "Najdorf, Opovcensky variation"]
[WhiteFideId "1025848"]
[BlackFideId "1039784"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Bg5
O-O 9. Bxf6 Bxf6 10. Nd5 Bg5 11. Qd3 Be6 12. Rd1 Nd7 13. O-O Rc8 14. c3 g6 15.
g3 Nc5 16. Nxc5 Rxc5 17. b4 Rc8 18. c4 Bxd5 19. Qxd5 Rc6 20. b5 axb5 21. cxb5
Rc2 22. Bc4 Be7 23. Qd3 Rxc4 24. Qxc4 Qa5 25. Rc1 Bd8 26. Qd5 Bb6 27. Qxb7 Bc5
28. Rb1 Qxa2 29. b6 Bxf2+ 30. Rxf2 Qxb1+ 31. Kg2 d5 32. exd5 Qe4+ 33. Kg1 Qe1+
34. Kg2 Qe4+ 35. Kh3 Qe1 36. Rf6 e4 37. Qe7 e3 38. Rf3 e2 39. Re3 Qf1+ 40. Kh4
Qf5 41. Qg5 Qf2 42. Qe5 Qxh2+ 43. Kg4 Qf2 44. Rxe2 Qxb6 45. d6 Rd8 46. Rd2 Qb4+
47. Rd4 h5+ 48. Kg5 f6+ 49. Qxf6 Qc5+ 50. Kh6 Rd7 51. Qxg6+ Kf8 52. Rf4+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Partenheimer, Axel"]
[Black "Vereggen, Lars"]
[Result "1/2-1/2"]
[WhiteElo "2206"]
[BlackElo "2036"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "4646703"]
[BlackFideId "1029258"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. d4 b6 6. c4 Bb7 7. Bg2 c5 8. Nc3
cxd4 9. Qxd4 d6 10. O-O Nbd7 11. Qd2 Nc5 12. Rac1 Rc8 13. Rfd1 a6 14. Ne1 Bxg2
15. Nxg2 b5 16. Ne3 h5 17. b4 Ne6 18. cxb5 axb5 19. Ncd5 Rxc1 20. Nxf6+ Bxf6 21.
Rxc1 Bxb2 22. Qxb2 d5 23. Qe5 d4 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Koffeman, Timo"]
[Black "Beukema, Stefan"]
[Result "1-0"]
[BlackElo "2209"]
[ECO "E73"]
[Opening "King's Indian"]
[Variation "Averbakh system"]
[BlackFideId "1024523"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 h6 7. Be3 e5 8. d5 Nfd7
9. Qd2 Kh7 10. g4 f5 11. exf5 gxf5 12. h4 Nf6 13. Qc2 Na6 14. Nh3 Kh8 15. g5 Ng8
16. f4 c5 17. a3 e4 18. Kd2 Bd7 19. Rag1 Nc7 20. gxh6 Nxh6 21. Ng5 Rb8 22. b4 b5
23. bxc5 bxc4 24. Rb1 Nb5 25. Nxb5 Bxb5 26. Bxc4 Qa5+ 27. Rb4 dxc5 28. Bxc5 Rfc8
29. Ne6 Rxc5 30. Nxc5 Qxa3 31. Rhb1 Ng4 32. R1b3 e3+ 33. Ke2 Bxc4+ 34. Rxc4 Rxb3
35. Nxb3 Qa6 36. Qd3 Nf2 37. Qc2 Ne4 38. Kxe3 Qg6 39. Qe2 Qg3+ 40. Qf3 Qe1+ 41.
Kd3 Qb1+ 42. Ke2 Qb2+ 43. Kf1 Qb1+ 44. Kg2 Qa2+ 45. Kg1 Nf6 46. d6 Qa6 47. Rc6
Qb5 48. Rc5 Qb6 49. Kg2 Qxd6 50. Rxf5 Qc7 51. Nc5 a5 52. Rg5 Qe7 53. Nd3 a4 54.
Ne5 Qc7 55. Qa8+ Kh7 56. Qxa4 Qb7+ 57. Kg3 Ne4+ 58. Kg4 Nf6+ 59. Kg3 Ne4+ 60.
Kh2 Nxg5 61. hxg5 Qb2+ 62. Kg3 Qc3+ 63. Nf3 Qd3 64. Qe8 Bc3 65. Qf7+ Bg7 66.
Qh5+ Kg8 67. g6 Qe4 68. Qg4 Qc6 69. Qf5 Qe8 70. Kg4 Qd8 71. Qe6+ Kh8 72. Ne5
Qd1+ 73. Kg5 Qg1+ 74. Qg4 Qc5 75. Qd7 Qg1+ 76. Kf5 Qb1+ 77. Qd3 Qb4 78. Qd8+ Bf8
79. Qh4+ Bh6 80. Qxh6+ Kg8 81. Qh7+ Kf8 82. Qf7# 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Kampman, Tijmen"]
[Black "Brown, Andrew"]
[Result "1/2-1/2"]
[BlackTitle "IM"]
[WhiteElo "2111"]
[BlackElo "2202"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "Grand Prix attack"]
[WhiteFideId "1009079"]
[BlackFideId "3206513"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. O-O Nxb5 7. Nxb5 d5 8.
exd5 a6 9. Nc3 Nf6 10. d4 c4 11. Qe2 O-O 12. Qxc4 b5 13. Qb3 Bb7 14. a4 Nxd5 15.
axb5 Nxc3 16. bxc3 axb5 17. Be3 Qc7 18. Rae1 e6 19. Ne5 Bd5 20. Qb4 Rfc8 21. Bd2
Ra2 22. Qb1 Rca8 23. Rf2 b4 24. c4 Bxc4 25. Bxb4 Rb8 26. c3 Rxf2 27. Kxf2 Bf8
28. Qc1 Ra8 29. Bxf8 Ra2+ 30. Kg1 Qb7 31. Nf3 Kxf8 32. f5 gxf5 33. Qg5 Qe7 34.
Qh6+ Kg8 35. Rb1 Ra8 36. Ne5 Bd5 37. c4 Be4 38. Rb3 Ra1+ 39. Kf2 Ra2+ 40. Ke1
Ra1+ 41. Kf2 Ra2+ 42. Ke1 Ra1+ 43. Kf2 Ra2+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Van Mierlo, Guido"]
[Black "Lommers, Frank"]
[Result "0-1"]
[WhiteElo "2097"]
[BlackElo "2176"]
[ECO "C55"]
[Opening "Two knights defence (Modern bishop's opening)"]
[WhiteFideId "1032453"]
[BlackFideId "1010107"]
[EventDate "2011.07.19"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. d3 Be7 5. O-O O-O 6. c3 d5 7. exd5 Nxd5 8. Re1
Bg4 9. h3 Bh5 10. Bb5 Bd6 11. Nbd2 Kh8 12. Ne4 Nde7 13. Ng3 Bg6 14. Nh4 Bc5 15.
Nxg6+ Nxg6 16. Ne4 Be7 17. d4 Qd5 18. Bxc6 Qxc6 19. Bg5 f6 20. d5 Qb5 21. a4 Qd7
22. Be3 Rad8 23. c4 b6 24. Qc2 f5 25. Nc3 e4 26. Bd4 Bd6 27. a5 Nf4 28. axb6
axb6 29. Ra7 Qf7 30. Ne2 Nd3 31. Rf1 Qh5 32. f4 exf3 33. Qxd3 fxe2 34. Re1 Rde8
35. Qc3 Qg5 36. b4 f4 37. Qf3 Bxb4 38. Rxe2 Rxe2 39. Qxe2 f3 40. Qb2 Bd6 41. g4
h5 42. Kf1 hxg4 43. h4 Qg6 44. h5 Qg5 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Offringa, Joost"]
[Black "Jonker, Fred"]
[Result "1-0"]
[WhiteElo "2085"]
[BlackElo "2154"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Anderssen variation"]
[WhiteFideId "1025880"]
[BlackFideId "1005260"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. Nc3 Be7 7. O-O O-O 8. Be3
b5 9. Bb3 Na5 10. Ne2 c5 11. c3 Nxb3 12. axb3 Qc7 13. c4 Rb8 14. Qd2 Qb7 15. Ra2
Ng4 16. Ng3 f5 17. exf5 Bxf5 18. Nxf5 Rxf5 19. h3 Nxe3 20. fxe3 e4 21. Nh2 Rxf1+
22. Nxf1 d5 23. dxe4 dxc4 24. bxc4 Rd8 25. Qc2 b4 26. b3 Bf6 27. Nd2 Bc3 28. Nf3
Re8 29. Kf2 Bf6 30. Ra5 Qb6 31. Qa2 Re6 32. e5 Bd8 33. Ra4 h6 34. Qc2 Qc6 35.
Qd3 Bc7 36. Qd5 Kf8 37. Ra2 a5 38. Ke2 Rg6 39. Kd3 Re6 40. Qxc6 Rxc6 41. Ke4 Bb6
42. Nh4 Rc7 43. e6 g5 44. Nf5 Ra7 45. e7+ Kf7 46. Nd6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Von Meijenfeldt, Bart"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[WhiteElo "2154"]
[BlackElo "2007"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1032259"]
[BlackFideId "1036203"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 e6 3. f4 a6 4. g3 Nc6 5. Bg2 b5 6. Nf3 d5 7. exd5 exd5 8. O-O
Nf6 9. d4 Be7 10. dxc5 Bxc5+ 11. Kh1 O-O 12. Ne5 Nxe5 13. fxe5 Ng4 14. Qe2 Qb6
15. Nxd5 Qa7 16. h3 Nf2+ 17. Kh2 Be6 18. Ne3 Bc4 19. Nxc4 bxc4 20. Bxa8 Rxa8 21.
Bd2 Rd8 22. Ba5 Rc8 23. Be1 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Smagin, Nikita"]
[Black "Merza, Morris"]
[Result "1-0"]
[WhiteElo "1977"]
[BlackElo "2145"]
[ECO "C00"]
[Opening "French"]
[Variation "Wing gambit"]
[WhiteFideId "24149039"]
[BlackFideId "1027140"]
[EventDate "2011.07.19"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. a3 bxa3 6. Nxa3 Nc6 7. c3 Bd7 8. d4 f6
9. exf6 Nxf6 10. Bd3 Be7 11. O-O Rc8 12. Re1 Qa5 13. Bd2 Bxa3 14. Qb3 O-O 15.
Rxa3 Qc7 16. h3 a6 17. Qb1 Rce8 18. Ra2 Bc8 19. Ne5 Na5 20. Qb4 Nc6 21. Qb1 Na5
22. Bf4 Qd8 23. Bg5 h6 24. Bh7+ Kh8 25. Ng6+ Kxh7 26. Nxf8+ Kg8 27. Bxf6 gxf6
28. Qg6+ Kxf8 29. Rxa5 Qe7 30. Qxh6+ Qg7 31. Qxg7+ Kxg7 32. Rxd5 Kf7 33. Rc5 Ke7
34. h4 Kd6 35. h5 b6 36. Rc4 Bb7 37. Re3 a5 38. Ra4 Bc6 39. Ra1 Kd5 40. h6 Re7
41. Kh2 Kc4 42. Ra3 f5 43. Kg3 Bd5 44. Kf4 Bxg2 45. Kg5 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Cox, Jan"]
[Black "Vosselman, Jan"]
[Result "1/2-1/2"]
[WhiteElo "1962"]
[BlackElo "2112"]
[ECO "C62"]
[Opening "Ruy Lopez"]
[Variation "old Steinitz defence"]
[WhiteFideId "1031384"]
[BlackFideId "1002422"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. O-O Nf6 6. c3 Be7 7. Re1 O-O 8. h3
Nxd4 9. Nxd4 exd4 10. Bxd7 Nxd7 11. cxd4 d5 12. exd5 Nb6 13. Nc3 Bf6 14. Qf3
Bxd4 15. Nb5 Bf6 16. d6 cxd6 17. Bf4 Nc4 18. Rad1 Nxb2 19. Rxd6 Qa5 20. Re4 Qxb5
21. Rxf6 Qd3 22. Be3 Qd1+ 23. Kh2 Qxf3 24. Rxf3 b6 25. Bd4 Na4 26. Bxg7 Kxg7 27.
Rg4+ Kh8 28. Rxa4 a5 29. Raf4 Ra7 30. a4 Re8 31. Rxf7 Rxf7 32. Rxf7 Re4 33. Rb7
Rxa4 34. Rxb6 Kg7 35. Ra6 Ra3 36. f3 a4 37. f4 h5 38. g4 h4 39. Kg2 Rg3+ 40. Kh2
a3 41. f5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Wilgenhof, Otto"]
[Black "Van Meegen, Ruud"]
[Result "1-0"]
[WhiteElo "2210"]
[BlackElo "1947"]
[ECO "A45"]
[Opening "Trompovsky attack (Ruth, Opovcensky opening)"]
[WhiteFideId "1002589"]
[BlackFideId "1034995"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 g5 4. f3 gxh4 5. fxe4 c5 6. e3 Bh6 7. Kf2 Qb6 8. Nc3
Qxb2 9. Nd5 Nc6 10. Rb1 Qa3 11. Rb3 Qa5 12. Rb5 Qd8 13. Rxc5 d6 14. Rb5 e6 15.
Qh5 Bg7 16. Nf4 a6 17. Rb3 Qf6 18. Nf3 Bh6 19. e5 dxe5 20. dxe5 Qg7 21. Qxh4
Bxf4 22. Qxf4 b5 23. a4 bxa4 24. Qxa4 Bd7 25. Bb5 Rc8 26. Qxa6 O-O 27. Bd3 Nxe5
28. Nxe5 Qxe5 29. Qa1 Qg5 30. h4 Qd5 31. Qf6 e5 32. Rd1 Qe6 33. Qxe6 Bxe6 34.
Rb5 f6 35. Rb6 Rfe8 36. Rc1 Rc3 37. Ke2 Re7 38. Kd2 Rc5 39. c4 h6 40. Kc3 Kf7
41. Kb4 Rcc7 42. c5 Bc8 43. Rf1 e4 44. Rfxf6+ Kg7 45. Bc4 Re5 46. Rg6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Wroblowski, Oliver"]
[Black "Gruenhagen, Marc"]
[Result "1/2-1/2"]
[WhiteElo "2191"]
[BlackElo "2133"]
[ECO "D35"]
[Opening "QGD"]
[Variation "exchange, positional line"]
[WhiteFideId "24698679"]
[BlackFideId "24667862"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.21"]
[Round "3"]
[White "Hoogland, Dirk"]
[Black "Viergever, Max"]
[Result "1/2-1/2"]
[WhiteTitle "CM"]
[WhiteElo "2181"]
[BlackElo "2123"]
[ECO "B07"]
[Opening "Pirc defence"]
[WhiteFideId "1012533"]
[BlackFideId "1019058"]
[EventDate "2011.07.19"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Turov, Maxim"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2630"]
[BlackElo "2566"]
[ECO "E63"]
[Opening "King's Indian"]
[Variation "fianchetto, Panno variation"]
[WhiteFideId "4120086"]
[BlackFideId "2107139"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nc6 7. O-O a6 8. Qd3 d5
9. cxd5 Nxd5 10. Rd1 Nxc3 11. Qxc3 e5 12. Be3 exd4 13. Nxd4 Nxd4 14. Bxd4 Bxd4
15. Rxd4 Qe7 16. e3 c6 17. Qa5 Rb8 18. Qb6 Be6 19. Rad1 Bxa2 20. Rd7 Qf6 21.
Rxb7 Rbd8 22. Rbd7 Rb8 23. Rb7 Rbd8 24. Rdd7 Be6 25. Rxd8 Qxd8 26. Qxd8 Rxd8 27.
Kf1 c5 28. Ke1 Kg7 29. Bf3 a5 30. Bd1 c4 31. Ba4 h5 32. Rb5 Ra8 33. Rc5 Rb8 34.
Bb5 Bg4 35. Bxc4 Rxb2 36. Rxa5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Radulski, Julian"]
[Black "L'Ami, Erwin"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2556"]
[BlackElo "2611"]
[ECO "B25"]
[Opening "Sicilian"]
[Variation "closed, 6.f4"]
[WhiteFideId "2901595"]
[BlackFideId "1007998"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. f4 Nf6 7. Nf3 O-O 8. O-O Bg4
9. Qd2 Bxf3 10. Bxf3 Nd4 11. Bg2 b5 12. Nd1 Rc8 13. Ne3 b4 14. c3 Nc6 15. Qe1
Nd7 16. Bd2 Nb6 17. Rb1 Na4 18. Nc4 Na5 19. Nxa5 Qxa5 20. e5 bxc3 21. bxc3 Nb6
22. c4 Qa3 23. Qe2 dxe5 24. Bc1 Qc3 25. Bb2 Qa5 26. fxe5 e6 27. Ba1 Nd7 28. Rb5
Qd8 29. Rb7 Rc7 30. Rfb1 Nb6 31. Rxc7 Qxc7 32. Qe3 Rb8 33. Qe4 Nd7 34. Re1 Qa5
35. Qe2 h5 36. Rf1 Qc7 37. Re1 Rb6 38. Bc3 Qb8 39. Kf2 Rb1 40. Rxb1 Qxb1 41. Bc6
Nb8 42. Bf3 Qb6 43. Qe4 Qc7 44. a4 Nd7 45. Qa8+ Kh7 46. d4 cxd4 47. Bxd4 Qxc4
48. Qxa7 Bxe5 49. Be3 Bc7 50. Be2 Qc2 51. Kf1 Nb6 52. Bxb6 Qb1+ 53. Kg2 Qxb6 54.
Qxb6 Bxb6 55. h4 Ba5 56. Bb5 Be1 57. Bc6 Kg7 58. Bb5 Kf8 59. Bc4 Ke7 60. Bd3 Kf6
61. Be2 Ke7 62. Bd3 f5 63. Bb5 e5 64. Bc6 Kf6 65. Bb5 g5 66. Be8 gxh4 67. gxh4
Bxh4 68. a5 Bg5 69. Bxh5 Bd2 70. a6 Be3 71. Bd1 e4 72. Bh5 Kg5 73. Bd1 Ba7 74.
Kg3 Bb8+ 75. Kf2 Kf4 76. Bb3 Ba7+ 77. Ke2 Ke5 78. Bf7 f4 79. Bh5 Kf5 80. Be8 f3+
81. Kf1 Kf4 82. Ba4 Bb6 83. Bb3 e3 84. Bc4 Ke4 85. Bb5 Kd5 86. Ke1 Kd4 87. Kd1
Kd5 88. Ke1 Ba7 89. Kd1 Ke5 90. Ke1 Bc5 91. Kf1 Kd4 92. a7 Bxa7 93. Bc6 e2+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Timman, Jan H"]
[Black "Georgiev, Vladimir"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2575"]
[BlackElo "2559"]
[ECO "C45"]
[Opening "Scotch game"]
[WhiteFideId "1000012"]
[BlackFideId "2903024"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Bd3 d6 7. O-O Qh4 8.
Qf3 Ne7 9. Nc3 Bd4 10. g3 Bg4 11. Qxf7+ Kxf7 12. gxh4 Bxc3 13. bxc3 Bf3 14. Rb1
Rab8 15. Be3 c5 16. h3 Nc6 17. Kh2 Ne5 18. Kg3 Rb6 19. Bf4 Nxd3 20. Kxf3 Nxf4
21. Kxf4 Re8 22. Rb3 Ra6 23. a3 Ra4 24. f3 Re7 25. Rd1 a5 26. Ke3 Ke6 27. h5 Kd7
28. Rg1 Rf7 29. h4 Kc6 30. Rd1 Rc4 31. Rd3 Ra4 32. Rd1 Rc4 33. Rd3 Ra4 34. Rd1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Vovk, Yuri"]
[Black "Brandenburg, Daan"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2564"]
[BlackElo "2538"]
[ECO "D34"]
[Opening "QGD"]
[Variation "Tarrasch, Prague variation, 9.Bg5"]
[WhiteFideId "14113171"]
[BlackFideId "1011014"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3
O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Bg4 12. Qa4 Na5 13. Rad1 Nc4 14. Bc1 Nb6 15.
Qc2 Qd7 16. f3 Bh3 17. Bxh3 Qxh3 18. Nf5 Bc5+ 19. Kh1 Rfd8 20. g4 Rac8 21. Bf4
g6 22. Nxh6+ Kg7 23. e4 Ng8 24. Nxg8 Kxg8 25. Bg5 Rd7 26. e5 Rc6 27. Qe2 Be7 28.
Bxe7 Rxe7 29. f4 Rd7 30. Rd3 Qh4 31. Nb5 Rc4 32. Nd6 Rc6 33. f5 Re7 34. f6 Rxd6
35. fxe7 Qxe7 36. Rxf7 Kxf7 37. Qf3+ Kg7 38. exd6 Qxd6 39. Qe3 Qf8 40. Kg2 Qc8
41. Qe5+ Kg8 42. Kg3 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Van Der Poel, Henk"]
[Black "Nijboer, Friso"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2292"]
[BlackElo "2546"]
[ECO "B66"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...a6"]
[WhiteFideId "1002449"]
[BlackFideId "1000063"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Be7 9. f4 Nxd4 10. Qxd4 b5 11. Bxf6 gxf6 12. e5 d5 13. Bd3 f5 14. g4 b4
15. Na4 Qa5 16. b3 fxg4 17. f5 Bd7 18. fxe6 fxe6 19. Qxg4 O-O-O 20. Rhf1 Kb8 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Kuipers, Stefan"]
[Black "Vovk, Andrey"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2365"]
[BlackElo "2551"]
[ECO "B48"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[WhiteFideId "1018400"]
[BlackFideId "14114470"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8.
O-O-O Bb4 9. f3 Ne5 10. Nb3 b5 11. Qe1 Rb8 12. Qg3 O-O 13. Bd4 Bd6 14. f4 Nh5
15. fxe5 Nxg3 16. exd6 Qxd6 17. hxg3 Qxg3 18. Bc5 Re8 19. Kb1 Qg5 20. e5 Bb7 21.
Bd6 Rbc8 22. Bd3 h6 23. Ne4 Qxg2 24. Rhe1 Bxe4 25. Bxe4 Qf2 26. Nd4 Rc4 27. c3
Rec8 28. Bd3 R4c5 29. a4 bxa4 30. Bxa6 R8c7 31. Nc2 a3 32. Re2 Qf5 33. Bd3 Qf3
34. Bxc7 Rxc7 35. Nxa3 Rc5 36. Nc4 Qg4 37. b3 h5 38. Kc2 f5 39. exf6 gxf6 40.
Ne3 Qf4 41. Rf1 Qc7 42. Rxf6 Rxc3+ 43. Kd2 Rxd3+ 44. Kxd3 Qd6+ 45. Kc2 Qc7+ 46.
Kb1 Qc3 47. Rg2+ Kh7 48. Rf7+ Kh6 49. Ka2 Qa5+ 50. Kb1 Qe1+ 51. Kb2 Qxe3 52.
Rf6+ Kh7 53. Rf7+ Kh6 54. Rf6+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Sowray, Peter J"]
[Black "Lenderman, Aleksandr"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2350"]
[BlackElo "2525"]
[ECO "B18"]
[Opening "Caro-Kann"]
[Variation "classical, 6.h4"]
[WhiteFideId "400971"]
[BlackFideId "2021285"]
[EventDate "2011.07.19"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 e6 8. Ne5
Bh7 9. Bd3 Bxd3 10. Qxd3 Bb4+ 11. c3 Bd6 12. f4 Nd7 13. Qe2 Ne7 14. Bd2 Nf6 15.
O-O-O O-O 16. Kb1 Nf5 17. Nf1 h5 18. g4 hxg4 19. Nxg4 Nxg4 20. Qxg4 Qf6 21. h5
c5 22. Ng3 Nxg3 23. Qxg3 Qf5+ 24. Ka1 Be7 25. dxc5 Bxc5 26. h6 g6 27. h7+ Kg7
28. c4 Be7 29. Bc3+ Bf6 30. Rd7 b6 31. a3 a6 32. Be5 Bxe5 33. fxe5 Rac8 34. Rd4
Kh8 35. Qe3 Rc5 36. Qh6 Rcc8 37. Qe3 Rc5 38. Qh6 Rcc8 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Milov, Leonid"]
[Black "Vishnu Prasanna. V"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2515"]
[BlackElo "2340"]
[ECO "B95"]
[Opening "Sicilian"]
[Variation "Najdorf, 6...e6"]
[WhiteFideId "14101068"]
[BlackFideId "5030692"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Bg5 e6 7. Qf3 h6 8. Be3
Nbd7 9. O-O-O Qc7 10. Qg3 b5 11. a3 Rb8 12. f3 e5 13. Nb3 Nb6 14. Qe1 Nc4 15. g4
Be7 16. h4 Be6 17. Kb1 Rc8 18. Rd3 Qc6 19. Qd1 a5 20. Nd5 Bxd5 21. exd5 Qb7 22.
Bc1 Nd7 23. Qe1 Qc7 24. c3 Ndb6 25. Bh3 b4 26. g5 bxa3 27. Bxc8 axb2 28. Ba6
bxc1=Q+ 29. Qxc1 a4 30. Bb5+ Kf8 31. Nd2 Qc5 32. Bxc4 Nxc4 33. Nxc4 Qxc4 34. Rd2
hxg5 35. Rb2 g6 36. Rb8+ Kg7 37. Rxh8 Kxh8 38. h5 gxh5 39. Rxh5+ Kg7 40. Qc2
Qb5+ 41. Ka2 Qc4+ 42. Ka3 f5 43. Qxa4 Qxc3+ 44. Qb3 Qa1+ 45. Kb4 Qd4+ 46. Qc4
Qb6+ 47. Qb5 Qd4+ 48. Qc4 Qb6+ 49. Ka4 Qa7+ 50. Kb4 Qb6+ 51. Ka4 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Ikeda, Junta"]
[Black "Neverov, Valeriy"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2349"]
[BlackElo "2500"]
[ECO "A14"]
[Opening "English"]
[Variation "Neo-Catalan declined"]
[WhiteFideId "3204731"]
[BlackFideId "14100150"]
[EventDate "2011.07.19"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. d3 c5
9. Nbd2 Nc6 10. Rc1 Rc8 11. a3 Rc7 12. e3 Qa8 13. cxd5 Nxd5 14. Qc2 Rd8 15. Qb1
Rcd7 16. Rfd1 Bf6 17. Ne4 Bxb2 18. Qxb2 Nde7 19. Ne1 a5 20. f4 Nf5 21. Qf2 Nce7
22. g4 Nd6 23. Nc3 Bxg2 24. Nxg2 Nd5 25. Na4 Qb7 26. Qb2 Nf6 27. g5 Nd5 28. Rf1
Qa6 29. Rcd1 Ne7 30. Rf3 Qa7 31. Qc1 Ndf5 32. Nb2 Qb7 33. Rh3 Ng6 34. Qc2 e5 35.
fxe5 Nxe5 36. Qe2 g6 37. Nf4 b5 38. Rf1 Re7 39. Nh5 Nd7 40. e4 Nd4 41. Qg4 gxh5
42. Qxh5 Nf8 43. Nd1 Qc6 44. Rf6 Rd6 45. e5 Rde6 46. Ne3 Qb7 47. Rxe6 fxe6 48.
Ng4 Rg7 49. Kf2 Qf7+ 50. Nf6+ Kh8 51. Qg4 Qg6 52. Rg3 Qf5+ 53. Qxf5 Nxf5 54. Rg1
Ng6 55. b4 Nxe5 56. bxc5 Nxd3+ 57. Kf3 Rc7 58. g6 Ne5+ 59. Ke4 Nxg6 60. Rd1 Rxc5
61. Rd7 Nfe7 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Deepan Chakkravarthy J."]
[Black "Goudriaan, Etienne"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2470"]
[BlackElo "2283"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Adams attack"]
[WhiteFideId "5011132"]
[BlackFideId "1021150"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 h6 8. f4 Qb6
9. Bg2 Nc6 10. Nb3 Bd7 11. Qe2 Rc8 12. Be3 Qc7 13. O-O-O Na5 14. Kb1 Nc4 15. Bd4
e5 16. fxe5 dxe5 17. Bf2 Nxb2 18. Nd5 Nxd5 19. exd5 Nxd1 20. Rxd1 Bd6 21. Be4
O-O 22. Be3 f5 23. gxf5 Bxf5 24. Bxf5 Rxf5 25. Rg1 Kh8 26. Rg6 Bf8 27. Qg2 Qc4
28. Bxh6 Qf1+ 29. Bc1 Qxg2 30. Rxg2 e4 31. Re2 Re8 32. c4 b5 33. Nd4 Rh5 34. Ne6
bxc4 35. Kc2 Rxh3 36. Rxe4 Rd3 37. Re5 Kg8 38. Bb2 Bb4 39. Rg5 Rd2+ 40. Kb1 Rd1+
41. Kc2 Rd2+ 42. Kb1 c3 43. Bc1 Rxd5 44. Rxd5 Rxe6 45. Kc2 Re2+ 46. Kb3 Re1 47.
Kxb4 Rxc1 48. Ra5 Kf7 49. Rxa6 g5 50. Kb3 c2 51. Kb2 Ra1 52. Kxc2 g4 53. Ra3 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "L'Ami, Alina"]
[Black "Arnaudov, G. Petar"]
[Result "1-0"]
[WhiteTitle "WGM"]
[BlackTitle "IM"]
[WhiteElo "2312"]
[BlackElo "2439"]
[ECO "E10"]
[Opening "Queen's pawn game"]
[WhiteFideId "1210246"]
[BlackFideId "2907127"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. Nf3 Nc6 4. g3 Bb4+ 5. Bd2 a5 6. Nc3 d6 7. a3 Bxc3 8. Bxc3
a4 9. d5 Nb8 10. Bg2 O-O 11. Nd2 exd5 12. cxd5 Nbd7 13. O-O Nc5 14. e4 Bd7 15.
f4 c6 16. Bd4 cxd5 17. exd5 b6 18. Re1 Rc8 19. Qf3 Bg4 20. Qe3 h6 21. h3 Re8 22.
Qf2 Rxe1+ 23. Qxe1 Bf5 24. g4 Bc2 25. g5 Nd3 26. Qh4 hxg5 27. Qxg5 Ne8 28. Qg3
Nf6 29. Be4 Nh5 30. Qg4 Ndxf4 31. Rc1 f5 32. Qxf5 Ne2+ 33. Kh2 Nxc1 34. Qh7+ Kf8
35. Qxh5 Qe8 36. Qf5+ Ke7 37. Qe6+ Kf8 38. Qf5+ Ke7 39. Bxc2 Qf7 40. Qxc8 Qf4+
41. Kh1 Qxd4 42. Qe6+ Kf8 43. Qxd6+ Kg8 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Turova, Irina"]
[Black "Mostertman, Milan"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2413"]
[BlackElo "2232"]
[ECO "A52"]
[Opening "Budapest"]
[Variation "Alekhine, Abonyi variation"]
[WhiteFideId "4120876"]
[BlackFideId "1025848"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6 6. Be3 Na6 7. Nc3 Bc5 8.
Qd2 d6 9. Nf3 O-O 10. O-O-O Re8 11. Bd3 Bxe3 12. Qxe3 Be6 13. Ng5 Nc5 14. Nxe6
Rxe6 15. Bb1 Nb4 16. g4 a6 17. g5 b5 18. Nd5 Nxd5 19. cxd5 Re8 20. e5 c6 21. Qh3
g6 22. dxc6 d5 23. Qe3 Ne6 24. Be4 d4 25. Qf3 Rc8 26. Kb1 Nc5 27. Bd5 d3 28. h4
Re6 29. h5 Qb6 30. Bxe6 Nxe6 31. hxg6 fxg6 32. Qh3 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Petrov, Marijan"]
[Black "Von Meijenfeldt, Bart"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2534"]
[BlackElo "2154"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "2901773"]
[BlackFideId "1032259"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. d4 cxd4 6. Nxd4 Nc6 7. Be3 Nf6 8. Be2
O-O 9. O-O Bd7 10. Qd3 Rc8 11. Rad1 Na5 12. e5 Ng4 13. e6 Bxd4 14. exf7+ Rxf7
15. Bxd4 Nc4 16. Nd5 Nh6 17. b3 Na3 18. c4 b5 19. Bb2 bxc4 20. Qc3 e5 21. Bxa3 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Vereggen, Lars"]
[Black "Hendriks, Willy"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2036"]
[BlackElo "2415"]
[ECO "A43"]
[Opening "Old Benoni defence"]
[WhiteFideId "1029258"]
[BlackFideId "1000713"]
[EventDate "2011.07.19"]

1. d4 c5 2. c3 Nf6 3. Nf3 e6 4. Bf4 b6 5. Nbd2 Bb7 6. e3 Be7 7. Bd3 O-O 8. O-O
Nh5 9. Bg3 Nxg3 10. hxg3 Nc6 11. Qe2 d5 12. Rac1 Rc8 13. Rfd1 Bf6 14. Bb1 g6 15.
Nb3 Qe7 16. e4 dxe4 17. Bxe4 cxd4 18. Nbxd4 Nxd4 19. Nxd4 Rfd8 20. Nf3 Kg7 21.
g4 h6 22. Qe3 Rc7 23. Bxb7 Rxb7 24. Ne5 Rc7 25. Qe2 Rc5 26. Nf3 Rcd5 27. Rxd5
Rxd5 28. Rd1 Qd6 29. Rxd5 Qxd5 30. c4 Qa5 31. b3 Qc3 32. Qd2 Qa1+ 33. Kh2 Qb1
34. Qe2 Bb2 35. Ne5 Qa1 36. Nd3 Bd4 37. Ne1 Qc3 38. Nd3 Bf6 39. Qd1 a5 40. a4
Qd4 41. Qe2 Qc3 42. Qd1 Bd4 43. f3 e5 44. Nc1 Qe3 45. Ne2 f5 46. Ng3 fxg4 47.
fxg4 Kf6 48. Qf1+ Qf4 49. Qd1 h5 50. Kh3 Kg5 51. Qe2 hxg4+ 52. Kh2 Kh4 53. Qd3
e4 54. Qxe4 Qxg3+ 55. Kh1 Qe3 56. Qb1 Bc3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Odendahl, Reiner"]
[Black "Offringa, Joost"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2375"]
[BlackElo "2085"]
[ECO "A27"]
[Opening "English"]
[Variation "three knights system"]
[WhiteFideId "4613570"]
[BlackFideId "1025880"]
[EventDate "2011.07.19"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 f5 4. e3 Nf6 5. d4 e4 6. Nd2 Bb4 7. Qc2 O-O 8. Be2 d6
9. a3 Bxc3 10. Qxc3 a5 11. b3 Ne7 12. Bb2 c5 13. dxc5 dxc5 14. O-O Nc6 15. Rfd1
Qe7 16. Nf1 Be6 17. Ng3 Nd7 18. Nh5 Nf6 19. Nf4 Rad8 20. h4 Rxd1+ 21. Rxd1 Ne8
22. h5 Kf7 23. g3 Qf6 24. Qd2 Qe7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Maatman, Nick"]
[Black "Ly, Moulthun"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "1994"]
[BlackElo "2369"]
[ECO "E94"]
[Opening "King's Indian"]
[Variation "orthodox, 7...Nbd7"]
[WhiteFideId "1040391"]
[BlackFideId "3204405"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. Be3
Re8 9. d5 Nh5 10. g3 Bf8 11. Ng5 Ndf6 12. b4 Bd7 13. c5 h6 14. Nf3 Ng4 15. Bd2
dxc5 16. bxc5 Bxc5 17. Nh4 Qc8 18. Rc1 b6 19. Qc2 Kg7 20. Na4 Ba3 21. Nb2 Qd8
22. Qc3 Bc5 23. Nd3 Bd4 24. Qxc7 Nhf6 25. Qxd8 Raxd8 26. Bc3 Bxc3 27. Rxc3 Nxe4
28. Rc7 Ngf6 29. Rxa7 Nc3 30. Re1 Nxe2+ 31. Rxe2 Bb5 32. Re3 Nxd5 33. Rf3 Nf6
34. Nb2 Rc8 35. Rb3 Rc1+ 36. Kg2 Bf1+ 37. Kf3 Re1 38. g4 Be2+ 39. Kg2 Bf1+ 40.
Kf3 Re6 41. Rb7 Ne4 42. R3xb6 Nd6 43. Rd7 Rf6+ 44. Nf5+ gxf5 45. Rdxd6 fxg4+ 46.
Kxg4 Rf4+ 47. Kg3 Be2 48. f3 Rxf3+ 49. Kg2 e4 50. h4 Bf1+ 51. Kh2 Re2+ 52. Kh1
Rg2 53. Rb3 e3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Van der Linden, Lucas"]
[Black "Zwirs, Nico"]
[Result "1/2-1/2"]
[WhiteElo "2275"]
[BlackElo "2125"]
[ECO "E92"]
[Opening "King's Indian"]
[Variation "Gligoric-Taimanov system"]
[WhiteFideId "1008722"]
[BlackFideId "1036432"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 exd4 8. Nxd4
Re8 9. f3 c6 10. Bf2 d5 11. exd5 cxd5 12. O-O Nc6 13. c5 Bf8 14. Bb5 Bd7 15.
Bxc6 bxc6 16. b4 Nh5 17. Qd2 Qc7 18. g3 f5 19. Rfe1 a5 20. a3 h6 21. Rxe8 Rxe8
22. Rc1 axb4 23. axb4 Qb7 24. Na4 Nf6 25. Nb6 Kh7 26. Kg2 Re7 27. Re1 Rxe1 28.
Qxe1 Be8 29. Ne6 Be7 30. Bd4 Bf7 31. Qe5 g5 32. Qxf5+ Bg6 33. Nf8+ Bxf8 34. Qxf6
Bg7 35. Qxg7+ Qxg7 36. Bxg7 Kxg7 37. b5 Be8 38. Kf2 d4 39. Ke2 cxb5 40. Kd3 Kf6
41. Kxd4 Ke6 42. Nc8 h5 43. Nd6 Bc6 44. Ne4 Kf5 45. Ke3 b4 46. Nd2 Ke5 47. h4
gxh4 48. gxh4 Kd5 49. Nb3 Be8 50. f4 Kc4 51. f5 Kxb3 52. f6 Ka3 53. c6 b3 54. c7
b2 55. c8=Q b1=Q 56. Qa6+ Kb2 57. Qb7+ Ka1 58. Qa8+ Kb2 59. Qb7+ Ka1 60. Qa8+
Kb2 61. Qb7+ Ka1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Smagin, Nikita"]
[Black "Bus, Tom"]
[Result "1-0"]
[WhiteElo "1977"]
[BlackElo "2237"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "Grand Prix attack"]
[WhiteFideId "24149039"]
[BlackFideId "1014374"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. O-O Nxb5 7. Nxb5 d6 8. d3
Nf6 9. Qe1 O-O 10. Qh4 c4 11. Nc3 cxd3 12. cxd3 Bg4 13. e5 dxe5 14. fxe5 Bxf3
15. Rxf3 Nd5 16. Bh6 Qb6+ 17. d4 Qxb2 18. Rb1 Qxc3 19. Rxc3 Nxc3 20. Rxb7 Bxh6
21. Qxh6 Ne2+ 22. Kf2 Nxd4 23. Qf4 Ne6 24. Qe3 Rfc8 25. Rxa7 Rc2+ 26. Kg1 Rd8
27. h4 h5 28. Rxe7 Rd1+ 29. Kh2 Rd4 30. Qh6 Rxh4+ 31. Kg1 Ng7 32. e6 Rg4 33.
exf7+ Kf8 34. Qh8+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Lommers, Frank"]
[Black "Beerdsen, Thomas"]
[Result "1-0"]
[WhiteElo "2176"]
[BlackElo "2009"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1010107"]
[BlackFideId "1030108"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bb5+ Nc6 6. O-O e6 7. Bxc6+ bxc6 8. d3
Ne7 9. Qe1 O-O 10. Bd2 Rb8 11. b3 d5 12. Qh4 f5 13. e5 Re8 14. Na4 c4 15. Nc5
cxd3 16. cxd3 h6 17. Qe1 Rb5 18. d4 Bd7 19. Rc1 Bf8 20. a4 Rb8 21. Ba5 Qc8 22.
Rc3 Kh7 23. Qe2 Ng8 24. g4 fxg4 25. Nh4 h5 26. h3 Be7 27. hxg4 Bxh4 28. Rh3 Bd8
29. gxh5 Nh6 30. hxg6+ Kg7 31. Rxh6 Kxh6 32. Qh2+ Kxg6 33. Rf2 Bg5 34. fxg5 Rh8
35. Rf6+ Kg7 36. Qf4 Qe8 37. g6 Rf8 38. Qg5 Qe7 39. Bd2 Kg8 40. Qh4 Qg7 41. Nxd7
Qxd7 42. Bh6 Rfd8 43. Rf7 Qxf7 44. gxf7+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Vogel, Jaap"]
[Black "Koffeman, Timo"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[WhiteElo "2221"]
[ECO "E18"]
[Opening "Queen's Indian"]
[Variation "old main line, 7.Nc3"]
[WhiteFideId "1000764"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Bd2
d5 9. Ne5 Nd7 10. Nxe4 dxe4 11. Bc3 Nxe5 12. dxe5 Qxd1 13. Rfxd1 Rad8 14. Kf1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Vosselman, Jan"]
[Black "Wilgenhof, Otto"]
[Result "1/2-1/2"]
[WhiteElo "2112"]
[BlackElo "2210"]
[ECO "E93"]
[Opening "King's Indian"]
[Variation "Petrosian system, main line"]
[WhiteFideId "1002422"]
[BlackFideId "1002589"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. d5 Nbd7 8. h3 Nc5
9. Qc2 a5 10. g4 Nfd7 11. Be3 f5 12. exf5 gxf5 13. O-O-O e4 14. Nd2 Nd3+ 15.
Bxd3 exd3 16. Qxd3 Ne5 17. Qc2 Qf6 18. f4 Ng6 19. g5 Qe7 20. Rde1 Bd7 21. h4
Rae8 22. Nf3 Qxe3+ 23. Rxe3 Rxe3 24. Qf2 Rfe8 25. Re1 Bd4 26. Nxd4 Rxe1+ 27. Kd2
Rh1 28. Nf3 Nxf4 29. Qg3 Ng6 30. Qg2 Ra1 31. h5 Ne5 32. Nxe5 Rxe5 33. g6 h6 34.
Qf2 b6 35. Qh4 Rg1 36. Qd8+ Be8 37. Qxc7 Rg2+ 38. Kd3 Rg3+ 39. Kc2 a4 40. Qh7+
Kf8 41. Qxh6+ Ke7 42. Qg7+ Kd8 43. Qf6+ Kc7 44. Nb5+ Bxb5 45. cxb5 Rg2+ 46. Kc3
Rg3+ 47. Kc2 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Swinkels, Maurice"]
[Black "Partenheimer, Axel"]
[Result "1/2-1/2"]
[WhiteElo "2102"]
[BlackElo "2206"]
[ECO "B85"]
[Opening "Sicilian"]
[Variation "Scheveningen, classical"]
[WhiteFideId "1026305"]
[BlackFideId "4646703"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3
d6 9. f4 Be7 10. Kh1 O-O 11. a4 Re8 12. Qe1 Nxd4 13. Bxd4 e5 14. Be3 exf4 15.
Bxf4 Be6 16. Qg3 Nd7 17. Nd5 Bxd5 18. exd5 Bf8 19. Bd3 Ne5 20. Rae1 g6 21. b3
Bg7 22. c4 Qb6 23. Bc2 Qc5 24. Be3 Qc7 25. Bb1 Rab8 26. Rc1 b6 27. Qf4 a5 28.
Rce1 Re7 29. Bc1 Rbe8 30. Ba3 f5 31. Bc1 Nd7 32. Rxe7 Rxe7 33. Qg3 Nf6 34. Bg5
Rf7 35. Re1 Re7 36. Rf1 Rf7 37. h3 Nd7 38. Re1 Be5 39. Qh4 Qc5 40. Be3 Qc7 41.
Bc2 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Brown, Andrew"]
[Black "Cox, Jan"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2202"]
[BlackElo "1962"]
[ECO "E77"]
[Opening "King's Indian"]
[Variation "Four pawns attack"]
[WhiteFideId "3206513"]
[BlackFideId "1031384"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5
9. cxd5 Bg4 10. O-O Nbd7 11. Nd2 Bxe2 12. Qxe2 Re8 13. Qf3 Rb8 14. a4 a6 15. a5
Qc7 16. Nc4 b5 17. axb6 Nxb6 18. Na5 Nbd7 19. Nc6 Rb3 20. Rxa6 Nxe4 21. Ra7 Qc8
22. Qxe4 Bd4+ 23. Nxd4 Rxe4 24. Nxe4 Rb4 25. Nxd6 Qb8 26. Rxd7 Rxd4 27. Re1 Qb3
28. Re8+ Kg7 29. Rxf7+ Kh6 30. Nf5+ Kh5 31. Rxh7+ Kg4 32. Nh6+ Kh4 33. Ng8+ Kg4
34. Nf6+ Kf5 35. g4+ Kxf6 36. Re6# 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Timmermans, Mark"]
[Black "Vos, Tjark"]
[Result "1-0"]
[WhiteElo "2183"]
[BlackElo "1842"]
[ECO "B19"]
[Opening "Caro-Kann"]
[Variation "classical, Spassky variation"]
[WhiteFideId "1026399"]
[BlackFideId "1020870"]
[EventDate "2011.07.19"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5
Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ 12. Bd2 Qc7 13. O-O-O Ngf6 14. Ne4
O-O-O 15. Kb1 c5 16. c3 c4 17. Qe2 Nxe4 18. Qxe4 Nf6 19. Qe2 Bd6 20. Be3 Nd5 21.
Nd2 b5 22. Rc1 Kb8 23. g4 Ka8 24. g5 Rb8 25. gxh6 gxh6 26. Rhg1 f5 27. Nf3 Qf7
28. Rg6 f4 29. Bd2 Qf5+ 30. Ka1 Qxh5 31. Qxe6 Qxf3 32. Qxd6 Rb7 33. Qc6 Qxf2 34.
Qxd5 Qxd2 35. Rcg1 Rb8 36. Rg8 a6 37. Rxb8+ Kxb8 38. Qd6+ Ka7 39. Qc5+ Ka8 40.
Rg8+ Rb8 41. Qc6+ Ka7 42. Qc7+ Rb7 43. Qc5+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Van Foreest, Jorden"]
[Black "Hachijan, Armen"]
[Result "1/2-1/2"]
[WhiteElo "2097"]
[BlackElo "2165"]
[ECO "E67"]
[Opening "King's Indian"]
[Variation "fianchetto, classical variation"]
[WhiteFideId "1039784"]
[BlackFideId "1028081"]
[EventDate "2011.07.19"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 O-O 5. O-O d6 6. Nc3 e5 7. d4 Nbd7 8. Qc2
Re8 9. Rd1 exd4 10. Nxd4 a6 11. h3 Rb8 12. Kh2 Qe7 13. Be3 c5 14. Nf3 b5 15.
cxb5 axb5 16. Qd3 b4 17. Nd5 Nxd5 18. Qxd5 Nb6 19. Qxd6 Qxd6 20. Rxd6 Nc4 21.
Bxc5 Nxd6 22. Bxd6 Rb6 23. Bc5 Ra6 24. Nd4 Be6 25. Nxe6 Raxe6 26. Bf3 Bxb2 27.
Rb1 Ba3 28. Rd1 Rc8 29. Be3 Ree8 30. Rd7 Rcd8 31. Rb7 Rxe3 32. fxe3 Rd2 33. Kg2
Kg7 34. Kf2 Kf6 35. Ke1 Rxa2 36. Rxf7+ Ke5 37. Rb7 Bb2 38. Rb5+ Kd6 39. Bd5 Bc3+
40. Kf2 Ra7 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Bakker, Guido"]
[Black "Kollen, Zyon"]
[Result "1/2-1/2"]
[WhiteElo "2088"]
[BlackElo "2118"]
[ECO "A49"]
[Opening "King's Indian"]
[Variation "fianchetto without c4"]
[WhiteFideId "1027875"]
[BlackFideId "1024256"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Re1 Nc6 7. d5 Na5 8. Nd4
Bd7 9. e4 c5 10. Nb3 Ng4 11. Nc3 b5 12. Ne2 Qb6 13. Nxa5 Qxa5 14. Bd2 Qb6 15.
Bc3 Ne5 16. Rb1 b4 17. Bd2 Bg4 18. Bg5 h6 19. Bf4 Qa6 20. h3 Nf3+ 21. Bxf3 Bxf3
22. Qd3 Bxe2 23. Qxe2 Qxa2 24. Be3 Bxb2 25. Bxh6 Bg7 26. Bxg7 Kxg7 27. Ra1 Qb2
28. Reb1 Qc3 29. Ra6 Rfb8 30. Rba1 c4 31. Qe3 Qxe3 32. fxe3 b3 33. cxb3 cxb3 34.
Rb1 Rb7 35. Kf2 Rc8 36. Rc6 Rcb8 37. Ra6 Kf6 38. Kf3 b2 39. Ra2 Ke5 40. h4 e6
41. dxe6 fxe6 42. Ra5+ Rb5 43. Rxa7 Rf8+ 44. Ke2 Kxe4 45. Ra4+ Kd5 46. Rd4+ Kc5
47. Rd2 Rfb8 48. g4 Rh8 49. Rc2+ Kd5 50. Rd2+ Ke5 51. Rdxb2 Rxb2+ 52. Rxb2 Rxh4
53. Rb4 d5 54. Kf3 Rh3+ 55. Kf2 Rh2+ 56. Kg3 Rc2 57. Kf3 Rc4 58. Rb6 Rc8 59. Rb4
Kd6 60. Rb6+ Rc6 61. Rb7 e5 62. Rg7 Kc5 63. g5 Re6 64. Rc7+ Kb6 65. Rf7 Kc6 66.
Ra7 Rd6 67. Ke2 d4 68. exd4 exd4 69. Kd3 Kd5 70. Re7 Re6 71. Rd7+ Ke5 72. Rxd4
Kf5 73. Rd5+ Kf4 74. Ra5 Re3+ 75. Kd2 Rg3 76. Ke2 Rxg5 77. Ra3 Rg2+ 78. Kf1 Rc2
79. Kg1 g5 80. Rb3 Re2 81. Ra3 Kg4 82. Rb3 Kf4 83. Ra3 Re3 84. Rxe3 Kxe3 85. Kg2
Kf4 86. Kf2 g4 87. Kg2 g3 88. Kg1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Jonker, Fred"]
[Black "Kampman, Tijmen"]
[Result "0-1"]
[WhiteElo "2154"]
[BlackElo "2111"]
[ECO "C00"]
[Opening "French"]
[Variation "Schlechter variation"]
[WhiteFideId "1005260"]
[BlackFideId "1009079"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. c3 Nc6 5. Ne2 cxd4 6. cxd4 Nb4 7. Nbc3 Nxd3+ 8.
Qxd3 dxe4 9. Nxe4 Bd7 10. O-O Bc6 11. N2c3 Qd7 12. Bf4 O-O-O 13. Rfd1 f5 14. Ng5
Nf6 15. Qc4 Nd5 16. Be5 Nxc3 17. bxc3 Re8 18. Qe2 Be7 19. Nh3 Rhg8 20. c4 Bd6
21. Nf4 g5 22. Nh5 Be7 23. Qe3 b6 24. d5 Ba4 25. d6 Bxd1 26. Rxd1 Bd8 27. Qf3
Kb8 28. c5 g4 29. Qc3 Kb7 30. Rc1 Qc6 31. Qb2 Bg5 32. Rc2 Rc8 33. g3 Qd5 34. Nf6
Bxf6 35. Bxf6 Qd1+ 36. Kg2 Qd5+ 37. Kg1 Rxc5 38. Rxc5 Qxc5 39. d7 Qd5 40. d8=Q
Rxd8 41. Bxd8 Qxd8 42. Qg7+ Ka6 43. Qb2 Qd1+ 44. Kg2 Qf3+ 45. Kf1 h5 46. Qd4 Qd5
47. Qb2 Qb5+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Gruenhagen, Marc"]
[Black "Beukema, Stefan"]
[Result "0-1"]
[WhiteElo "2133"]
[BlackElo "2209"]
[ECO "A80"]
[Opening "Dutch, 2.Bg5 variation"]
[WhiteFideId "24667862"]
[BlackFideId "1024523"]
[EventDate "2011.07.19"]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. Bg3 Nf6 5. e3 d6 6. h4 g4 7. h5 Be6 8. Ne2 Bf7
9. Nf4 e6 10. Bd3 Qe7 11. Nd2 Nbd7 12. Qe2 Bg7 13. Ng6 Bxg6 14. hxg6 O-O-O 15.
O-O-O Nf8 16. e4 Qd7 17. e5 dxe5 18. dxe5 Nd5 19. Nb3 Nxg6 20. Kb1 Ngf4 21. Bxf4
Nxf4 22. Qe3 Nxd3 23. Qxa7 Qb5 24. a4 Qxe5 25. c3 Qd5 26. Na5 b6 27. Qa6+ Kb8
28. Nc4 Qb7 29. Qb5 Rd5 30. Qb3 Nxf2 31. Rxd5 exd5 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Viergever, Max"]
[Black "Wroblowski, Oliver"]
[Result "0-1"]
[WhiteElo "2123"]
[BlackElo "2191"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1019058"]
[BlackFideId "24698679"]
[EventDate "2011.07.19"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. Na3 d6 6. Bb5+ Bd7 7. O-O a6 8. Bxd7+
Nxd7 9. Nc4 dxe5 10. Ncxe5 Nxe5 11. Nxe5 Bd6 12. d4 Bxe5 13. dxe5 Qc7 14. Qe2
O-O 15. Rd1 h6 16. Rd3 Ne7 17. Bf4 Ng6 18. Bg3 Rfd8 19. Rad1 Ne7 20. h3 Kf8 21.
Qe4 b5 22. Rd7 Rac8 23. Rxc7 Rxd1+ 24. Kh2 Rxc7 25. Qa8+ Rc8 26. Qxa6 b4 27. Bf4
bxc3 28. bxc3 c4 29. Be3 Rd5 30. Bd4 Rxd4 31. cxd4 c3 32. Qa3 c2 33. Qc1 Nf5 34.
Kg1 Nxd4 35. Kf1 Rb8 36. Qa3+ Kg8 37. Ke1 Rb1+ 38. Kd2 Rd1+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Van Meegen, Ruud"]
[Black "Hoogland, Dirk"]
[Result "0-1"]
[BlackTitle "CM"]
[WhiteElo "1947"]
[BlackElo "2181"]
[ECO "B35"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, modern variation with Bc4"]
[WhiteFideId "1034995"]
[BlackFideId "1012533"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8.
Bb3 a5 9. a4 Ng4 10. Nxc6 Nxe3 11. Nxd8 Nxd1 12. Bxf7+ Rxf7 13. Nxf7 Nxc3 14.
Ng5 h6 15. Nf3 Nxe4 16. O-O Bxb2 17. Rad1 Bf6 18. Nd4 Nc3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.22"]
[Round "4"]
[White "Merza, Morris"]
[Black "Van Mierlo, Guido"]
[Result "1/2-1/2"]
[WhiteElo "2145"]
[BlackElo "2097"]
[ECO "A05"]
[Opening "Reti opening"]
[WhiteFideId "1027140"]
[BlackFideId "1032453"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. Nd4 a6 3. c4 d6 4. Nc3 g6 5. h4 Bg7 6. Nc2 h5 7. d4 Nbd7 8. Bg5 c5
9. e3 b6 10. Be2 Bb7 11. Bf3 Qc7 12. Rc1 Rc8 13. O-O O-O 14. Nd5 Nxd5 15. cxd5
Nf6 16. e4 cxd4 17. Qd2 Qd7 18. Nxd4 Rxc1 19. Rxc1 Rc8 20. Nc6 Bxc6 21. dxc6
Rxc6 22. Rxc6 Qxc6 23. e5 Ne4 24. Qa5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "L'Ami, Erwin"]
[Black "Turov, Maxim"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2611"]
[BlackElo "2630"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "1007998"]
[BlackFideId "4120086"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d5 6. Nf3 O-O 7. Bg2 Nbd7 8.
O-O dxc4 9. Na3 e5 10. dxe5 Nxe5 11. Qxd8 Nxf3+ 12. Bxf3 Rxd8 13. Nxc4 Be6 14.
Na5 Bd5 15. Nxb7 Rdb8 16. Bxd5 Nxd5 17. Rfd1 Rxb7 18. Rxd5 Rxb2 19. Rc1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Fier, Alexandr"]
[Black "Vovk, Yuri"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2566"]
[BlackElo "2564"]
[ECO "C03"]
[Opening "French"]
[Variation "Tarrasch"]
[WhiteFideId "2107139"]
[BlackFideId "14113171"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 c5 5. Qg4 Kf8 6. dxc5 Nc6 7. Qg3 Nh6 8. Bd3
Bh4 9. Qf4 Bg5 10. Qa4 Nxe5 11. Ngf3 Nxd3+ 12. cxd3 Bd7 13. Qb4 a5 14. Qxb7 Rb8
15. Qa6 Bb5 16. Qd6+ Qxd6 17. cxd6 Bf6 18. Nb3 a4 19. Nc5 Nf5 20. Bf4 Rb6 21.
Ne5 Bxe5 22. Bxe5 f6 23. d7 Kf7 24. Bc7 Rc6 25. d8=N+ Rxd8 26. Bxd8 Rxc5 27. Kd2
Nh4 28. Rhc1 Rxc1 29. Rxc1 Nxg2 30. Rc7+ Kg6 31. Rb7 Bc6 32. Rb4 Kf5 33. b3 axb3
34. a4 d4 35. a5 Nh4 36. Rb6 Bg2 37. Bc7 e5 38. Rxb3 Nf3+ 39. Kc1 Nxh2 40. f4
Ng4 41. fxe5 Nxe5 42. Bxe5 fxe5 43. Kd2 h5 44. Ke2 h4 45. Kf2 Bh1 46. Rb1 Bd5
47. Rb5 Bh1 48. a6 g5 49. Kg1 Bf3 50. Rb8 Kg4 51. Kf2 h3 52. Rh8 e4 53. dxe4
Bxe4 54. a7 d3 55. a8=Q Bxa8 56. Rxa8 h2 57. Kg2 Kf4 58. Kxh2 d2 59. Rd8 Ke3 60.
Kg3 Ke2 61. Kg4 d1=Q 62. Rxd1 Kxd1 63. Kxg5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Neverov, Valeriy"]
[Black "Timman, Jan H"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2500"]
[BlackElo "2575"]
[ECO "E16"]
[Opening "Queen's Indian"]
[Variation "Yates variation"]
[WhiteFideId "14100150"]
[BlackFideId "1000012"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. Bg5
Be7 9. Nc3 Ne4 10. Bxe7 Qxe7 11. Rc1 Na6 12. d5 Nxc3 13. Rxc3 Nc5 14. Nd4 g6 15.
Nb3 e5 16. Nxc5 Qxc5 17. e4 Rae8 18. a3 f5 19. Qa4 Rf7 20. b4 Qd4 21. Qc2 fxe4
22. Re3 axb4 23. axb4 b5 24. Rxe4 Qa7 25. h4 d6 26. h5 gxh5 27. Rh4 bxc4 28. Be4
Qb6 29. Bxh7+ Kf8 30. Rd1 Qb5 31. Bg6 Bxd5 32. Rxh5 Ke7 33. Rxd5 Qxd5 34. Bxf7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Georgiev, Vladimir"]
[Black "Turova, Irina"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2559"]
[BlackElo "2413"]
[ECO "E41"]
[Opening "Nimzo-Indian"]
[Variation "4.e3 c5"]
[WhiteFideId "2903024"]
[BlackFideId "4120876"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Ne2 cxd4 7. exd4 d5 8. cxd5
Nxd5 9. O-O Nc6 10. Nxd5 exd5 11. Nf4 Be6 12. Nxe6 fxe6 13. Qh5 g6 14. Qg4 Qf6
15. Bg5 Qf7 16. Bh6 Rfe8 17. h4 Kh8 18. Rac1 a6 19. Bf4 Bf8 20. Rfe1 Bg7 21. Bg3
Rac8 22. h5 gxh5 23. Qh4 Bf6 24. Qf4 Qg7 25. Qf3 h4 26. Bf4 Rg8 27. Rxc6 Rxc6
28. Re5 Qg4 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Radulski, Julian"]
[Black "Van Der Poel, Henk"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2556"]
[BlackElo "2292"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed, 2...Nc6"]
[WhiteFideId "2901595"]
[BlackFideId "1002449"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 a6 6. d3 b5 7. Bb3 Nxb3 8. axb3
Bb7 9. O-O d6 10. f4 Nf6 11. f5 Be7 12. Bg5 Qd7 13. Ng3 h5 14. Qf3 O-O-O 15. Bh4
Ng4 16. Bxe7 Qxe7 17. h3 Ne5 18. Qf2 Qg5 19. Nge2 Rh6 20. d4 cxd4 21. Qxd4 Rf6
22. Qb6 Nd7 23. Qf2 Nc5 24. Nd4 b4 25. e5 dxe5 26. Nf3 Qxf5 27. Qxc5+ Kb8 28.
Nxe5 Qxc2 29. Nc6+ Bxc6 30. Qb6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Brandenburg, Daan"]
[Black "L'Ami, Alina"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "WGM"]
[WhiteElo "2538"]
[BlackElo "2312"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "1011014"]
[BlackFideId "1210246"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f4
Ng4 9. Bd2 exf4 10. Bxf4 Nc6 11. Qd2 Be7 12. O-O-O O-O 13. Kb1 a5 14. Bb5 Nge5
15. Nd4 Nxd4 16. Qxd4 a4 17. Bxe5 dxe5 18. Qxd8 Bxd8 19. Bxa4 Bxa2+ 20. Kxa2 b5
21. b3 bxa4 22. Nxa4 f5 23. exf5 Rxf5 24. Rhf1 Rxf1 25. Rxf1 Bf6 26. Kb1 Kf7 27.
Kc1 Ke6 28. Kd2 Bg5+ 29. Ke2 e4 30. h4 Bxh4 31. Rf4 Bf6 32. Rxe4+ Kf5 33. Re3 h5
34. c4 Bd4 35. Rf3+ Ke4 36. Rh3 g6 37. Rh4+ Ke5 38. Kd3 Bf2 39. Re4+ Kf5 40. Nc3
Rb8 41. Re2 Bg3 42. Kc2 h4 43. Nd5 g5 44. c5 g4 45. Kc3 h3 46. Ne3+ Kf4 47. Nxg4
hxg2 48. Rxg2 Kxg4 49. Re2 Kf5 50. Kc4 Be5 51. b4 Rd8 52. c6 Rd1 53. b5 Rc1+ 54.
Kd5 Rd1+ 55. Kc5 Bd4+ 56. Kc4 Bb6 57. Re8 Rc1+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Vovk, Andrey"]
[Black "Odendahl, Reiner"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2551"]
[BlackElo "2375"]
[ECO "B35"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, modern variation with Bc4"]
[WhiteFideId "14114470"]
[BlackFideId "4613570"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. f3
Qb6 9. Nf5 Qxb2 10. Nxg7+ Kf8 11. Nd5 Nxd5 12. Bxd5 Kxg7 13. O-O Qc3 14. Qc1 h5
15. Rb1 h4 16. Rb3 Qa5 17. Qb2+ f6 18. Ra3 Qc7 19. h3 Bd7 20. f4 Rac8 21. Rc3
Qb8 22. Qa3 b5 23. Qb2 a5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Nijboer, Friso"]
[Black "Kuipers, Stefan"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2546"]
[BlackElo "2365"]
[ECO "C11"]
[Opening "French"]
[Variation "Steinitz, Boleslavsky variation"]
[WhiteFideId "1000063"]
[BlackFideId "1018400"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4
Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. Bb5 Nxd4 12. Bxd4 a6 13. Bxd7+ Bxd7 14. Rb3 Qe7
15. Rxb7 Qh4+ 16. Bf2 Qd8 17. Bb6 Qh4+ 18. g3 Qh3 19. Rxd7 Kxd7 20. Nxd5 Rb8 21.
Nf6+ Kc6 22. Qc3+ Kxb6 23. Nd7+ Ka7 24. Nxb8 Qg2 25. Qc7+ Ka8 26. Qc6+ Qxc6 27.
Nxc6 Bc5 28. Kd1 h5 29. Na5 Rd8+ 30. Ke2 Rc8 31. Rb1 Rc7 32. c4 h4 33. Nb3 Bb4
34. Rc1 hxg3 35. hxg3 g5 36. Rc2 Kb7 37. Nc1 Be7 38. Nd3 gxf4 39. gxf4 Rc8 40.
Ke3 Kc6 41. Rb2 f5 42. c5 Bd8 43. Kd4 a5 44. Kc4 Bc7 45. Ne1 Rg8 46. Nf3 Rg4 47.
Nd4+ Kd7 48. c6+ Kc8 49. Rh2 Rxf4 50. Rh8+ Bd8 51. Kc5 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Ly, Moulthun"]
[Black "Petrov, Marijan"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2369"]
[BlackElo "2534"]
[ECO "B06"]
[Opening "Robatsch defence"]
[Variation "two knights, Suttles variation"]
[WhiteFideId "3204405"]
[BlackFideId "2901773"]
[EventDate "2011.07.19"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. g3 Bg4 6. Bg2 Qb6 7. Ne2 c5 8. c3 cxd4
9. Nexd4 Nc6 10. Nxc6 bxc6 11. O-O Qc7 12. Qa4 Bd7 13. Rd1 Nh6 14. e5 d5 15. Bg5
e6 16. c4 Ng8 17. Rac1 Qb7 18. Qa3 Bf8 19. Qc3 h6 20. Be3 Ne7 21. Nd4 a5 22. Nb3
Qb4 23. Bd2 Qxc3 24. Bxc3 a4 25. Nc5 Bc8 26. cxd5 Nxd5 27. Bd4 Bxc5 28. Bxc5 Ba6
29. Bd6 Kd7 30. Rd4 Bb5 31. h3 f5 32. Rc2 g5 33. Rc5 Ra7 34. a3 Rb7 35. Bf3 Ra8 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Lenderman, Aleksandr"]
[Black "Lommers, Frank"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2525"]
[BlackElo "2176"]
[ECO "A57"]
[Opening "Benko gambit half accepted"]
[WhiteFideId "2021285"]
[BlackFideId "1010107"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 g6 7. e4 Bg7 8. Nf3 O-O
9. Qb3 Bb7 10. Nd2 Nbd7 11. Nc4 a5 12. f3 Ba6 13. Na4 Bxc4 14. Bxc4 Rb8 15. b7
Ne5 16. Ba6 c4 17. Bxc4 Nxc4 18. Qxc4 Rxb7 19. Bd2 Qd7 20. Rc1 e6 21. dxe6 fxe6
22. Qc6 Qe7 23. O-O Nh5 24. Bc3 Bh6 25. Rce1 Bf4 26. g3 Rc7 27. Qb6 Rb7 28. Qf2
Qg5 29. Qg2 Be3+ 30. Kh1 Ba7 31. Rd1 Rbf7 32. b3 Bb8 33. Nb2 Nf6 34. Nc4 a4 35.
Bb4 axb3 36. axb3 Rd7 37. Qh3 Kf7 38. e5 Nd5 39. Rxd5 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Goudriaan, Etienne"]
[Black "Milov, Leonid"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2283"]
[BlackElo "2515"]
[ECO "B01"]
[Opening "Scandinavian defence"]
[WhiteFideId "1021150"]
[BlackFideId "14101068"]
[EventDate "2011.07.19"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bc4 e6 7. Bd2 c6 8. Qe2
Bb4 9. a3 Nbd7 10. O-O-O Bxc3 11. Bxc3 Qc7 12. Bd2 b5 13. Bb3 Be4 14. g4 Bd5 15.
g5 Ne4 16. Bxd5 cxd5 17. Ne5 Nxe5 18. dxe5 O-O 19. f3 Nxd2 20. Rxd2 a5 21. Qe3
b4 22. f4 Rfc8 23. h4 bxa3 24. Qxa3 Qc4 25. Rf2 Rab8 26. Rh3 Qe4 27. Qe3 Qb4 28.
c3 d4 29. Qd2 Qa4 30. Kb1 dxc3 31. Rxc3 Rd8 32. Qe3 Rd1+ 33. Rc1 Rc8 34. Rxd1
Qxd1+ 35. Ka2 Rc1 36. b3 Ra1+ 37. Kb2 a4 38. Rc2 Rb1+ 39. Ka3 Qxc2 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Vishnu Prasanna. V"]
[Black "Deepan Chakkravarthy J."]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2340"]
[BlackElo "2470"]
[ECO "C70"]
[Opening "Ruy Lopez"]
[Variation "Cozio defence deferred"]
[WhiteFideId "5030692"]
[BlackFideId "5011132"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. O-O g6 6. c3 Bg7 7. d4 exd4 8. cxd4
b5 9. Bb3 O-O 10. Nc3 d6 11. Nd5 h6 12. Nxe7+ Nxe7 13. Re1 c5 14. h3 Bb7 15. Bc2
Qc7 16. Bf4 Qb6 17. Qd2 Kh7 18. Rad1 Rad8 19. d5 Ng8 20. b4 c4 21. Be3 Qc7 22.
Bd4 Nf6 23. a4 Qe7 24. Ra1 Ra8 25. Bc3 Rfe8 26. Ra3 Qd7 27. Qc1 Rec8 28. Qb2 Ne8
29. Bxg7 Nxg7 30. Nd4 Ne8 31. Rea1 Nc7 32. h4 Qg4 33. Rg3 Qd7 34. h5 Rg8 35.
hxg6+ fxg6 36. Nf3 Rg7 37. axb5 axb5 38. Rxa8 Bxa8 39. Qf6 Bb7 40. Rh3 Qe7 41.
Qf4 h5 42. Ng5+ Kg8 43. Ra3 Qf8 44. Qd2 Qf6 45. Bb1 Re7 46. Nf3 Bc8 47. Nd4 Bd7
48. Ra7 Be8 49. Ra3 Kh7 50. f4 Bd7 51. Nf3 Bg4 52. e5 dxe5 53. d6 Rd7 54. fxe5
Qg7 55. Ng5+ Kh8 56. Qf4 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Hendriks, Willy"]
[Black "Sowray, Peter J"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2415"]
[BlackElo "2350"]
[ECO "B40"]
[Opening "Sicilian defence"]
[WhiteFideId "1000713"]
[BlackFideId "400971"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. Bc4 d6 6. d4 cxd4 7. cxd4 Nc6 8. O-O
Be7 9. exd6 Qxd6 10. Nc3 O-O 11. Re1 Rd8 12. Bb3 Nf6 13. Nb5 Qb4 14. a4 Qa5 15.
Bf4 Rd7 16. Ne5 Nxe5 17. Bxe5 a6 18. Nc3 b6 19. Qf3 Bb7 20. Qh3 Rad8 21. Re3 Qb4
22. Ne2 Bd5 23. Nf4 Bxb3 24. Rxb3 Qd2 25. Rf1 Ne8 26. Rxb6 Bf6 27. Qc3 Qxc3 28.
bxc3 Bxe5 29. dxe5 Rc7 30. Rxa6 Rxc3 31. g3 Ra3 32. Rb1 Ra2 33. Ra7 g5 34. Nh5
h6 35. Rbb7 g4 36. Kg2 Rdd2 37. Rxf7 Rxa4 38. Rxa4 Kxf7 39. Ra7+ Kg6 40. Nf4+
Kf5 41. Re7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Arnaudov, G. Petar"]
[Black "Smagin, Nikita"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2439"]
[BlackElo "1977"]
[ECO "A04"]
[Opening "Reti v Dutch"]
[WhiteFideId "2907127"]
[BlackFideId "24149039"]
[EventDate "2011.07.19"]

1. Nf3 f5 2. d3 g6 3. e4 d6 4. exf5 Bxf5 5. d4 Bg7 6. Bd3 Qd7 7. O-O Nf6 8. Re1
Nc6 9. c3 Bxd3 10. Qxd3 O-O 11. Bg5 Qf5 12. Qd1 e5 13. dxe5 Nxe5 14. Nxe5 dxe5
15. Bxf6 Rxf6 16. f3 Rb6 17. Qe2 Rd8 18. Na3 Rbd6 19. Qc4+ Qf7 20. Re2 Rd1+ 21.
Rxd1 Rxd1+ 22. Kf2 Qxc4 23. Nxc4 Rd5 24. Ke3 Rc5 25. Kd3 Rd5+ 26. Ke4 c6 27. Ne3
Rd7 28. Nc4 Kf7 29. Rd2 Rxd2 30. Nxd2 Ke6 31. Nc4 b6 32. g4 Bf6 33. a4 h6 34. b3
Bg7 35. h4 Bf6 36. h5 g5 37. Nb2 Be7 38. Nd3 Bd6 39. c4 a5 40. c5 bxc5 41. Nb2
Bc7 42. Nc4 Kf6 43. Ke3 Ke6 44. Kd3 Kf6 45. Nd2 Ke6 46. Ne4 Bd6 47. Kc4 Be7 48.
Nxc5+ Kf6 49. Nb7 Bb4 50. Nd8 Bd2 51. Nxc6 Ke6 52. b4 axb4 53. Nxb4 e4 54. fxe4
Ke5 55. a5 Kxe4 56. a6 Be3 57. Nd5 Ba7 58. Nf6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Zwirs, Nico"]
[Black "Ikeda, Junta"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2125"]
[BlackElo "2349"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[WhiteFideId "1036432"]
[BlackFideId "3204731"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Bb4 7. Bd2 Nc6 8. Nxc6
dxc6 9. Qg4 Bf8 10. Bg2 e5 11. Qe2 Nf6 12. h3 h5 13. O-O-O b5 14. f4 Nd7 15. h4
Nc5 16. fxe5 b4 17. Nd5 cxd5 18. exd5 Bf5 19. Kb1 Rc8 20. Bxb4 Qb6 21. Qf2 g6
22. Bc3 Bg7 23. Rhf1 Qb5 24. Bd4 O-O 25. Qe3 Nd7 26. Rxf5 gxf5 27. Qf4 Qe2 28.
Bf3 Qxc2+ 29. Ka1 Nxe5 30. Rb1 Ng6 31. Qe3 Rfe8 32. Qxe8+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Kampman, Tijmen"]
[Black "Van der Linden, Lucas"]
[Result "1/2-1/2"]
[WhiteElo "2111"]
[BlackElo "2275"]
[ECO "A36"]
[Opening "English"]
[Variation "symmetrical, Botvinnik system"]
[WhiteFideId "1009079"]
[BlackFideId "1008722"]
[EventDate "2011.07.19"]

1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. Nge2 e6 7. O-O Nge7 8. d3
O-O 9. Be3 Nd4 10. Qd2 Bd7 11. Bh6 e5 12. Bxg7 Kxg7 13. f4 Nxe2+ 14. Nxe2 f6 15.
b4 Nc6 16. bxc5 dxc5 17. Nc3 Be6 18. Nd5 exf4 19. Qxf4 Ne5 20. Rad1 Bxd5 21.
exd5 Qd6 22. g4 Rae8 23. Rf2 b6 24. Qg3 Nf7 25. Qh4 Qe5 26. Rdf1 Ng5 27. Rd2
Qd4+ 28. Kh1 h5 29. Qg3 hxg4 30. Rdf2 Re3 31. Qc7+ Rf7 32. Qd8 Rxd3 33. Rf4 Qe5
34. Rxg4 Qe7 35. Qb8 Rf8 36. Qf4 Rd4 37. Qg3 Rxg4 38. Qxg4 Qe5 39. Qd7+ Rf7 40.
Qg4 Re7 41. Rd1 Nf7 42. Bf3 f5 43. Qg2 Nd6 44. Rg1 Qf6 45. Bh5 Kf8 46. Bxg6 Rg7
47. Qg3 f4 48. Qg5 Qxg5 49. Rxg5 Nf7 50. Rg1 Ne5 51. Be4 Rxg1+ 52. Kxg1 Nxc4 53.
Kf2 Ne5 54. d6 c4 55. Bf5 c3 56. h4 b5 57. h5 Nf7 58. d7 Ke7 59. Kf3 Nh6 60. Bc2
Kxd7 61. Kxf4 Ke7 62. Ke5 a5 63. Kd4 Kd6 64. Kxc3 Kc5 65. a3 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Mostertman, Milan"]
[Black "Timmermans, Mark"]
[Result "1/2-1/2"]
[WhiteElo "2232"]
[BlackElo "2183"]
[ECO "C58"]
[Opening "Two knights defence"]
[WhiteFideId "1025848"]
[BlackFideId "1026399"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ Bd7 7. Bxd7+ Qxd7
8. d3 Nxd5 9. O-O Nc6 10. Nf3 Bd6 11. Nbd2 O-O 12. Re1 Rae8 13. c3 Kh8 14. Nf1
f5 15. Qb3 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Koffeman, Timo"]
[Black "Brown, Andrew"]
[Result "0-1"]
[BlackTitle "IM"]
[BlackElo "2202"]
[ECO "E81"]
[Opening "King's Indian"]
[Variation "Saemisch, 5...O-O"]
[BlackFideId "3206513"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. d5 e6 8. Bd3 exd5
9. cxd5 Nbd7 10. Qd2 Ne5 11. Be2 a6 12. a4 Qa5 13. Ra2 Qb4 14. a5 Bd7 15. Nh3
Nc4 16. Bxc4 Qxc4 17. Nf4 Bb5 18. Nfe2 Nd7 19. O-O Ne5 20. Rb1 f5 21. b4 fxe4
22. Nxe4 Rxf3 23. Nxd6 Qd3 24. Nc3 Qf1+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Bus, Tom"]
[Black "Kollen, Zyon"]
[Result "1/2-1/2"]
[WhiteElo "2237"]
[BlackElo "2118"]
[ECO "A15"]
[Opening "English, 1...Nf6 (Anglo-Indian defense)"]
[WhiteFideId "1014374"]
[BlackFideId "1024256"]
[EventDate "2011.07.19"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. e4 d6 6. Nge2 c5 7. O-O Nc6 8. d3
Rb8 9. h3 Nd7 10. Be3 a6 11. d4 b5 12. cxb5 axb5 13. dxc5 dxc5 14. f4 b4 15. Na4
Ba6 16. Rf2 Bxe2 17. Rxe2 Nd4 18. Rd2 e5 19. Rc1 Qa5 20. b3 Rfc8 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Bakker, Guido"]
[Black "Vogel, Jaap"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2088"]
[BlackElo "2221"]
[ECO "A13"]
[Opening "English"]
[Variation "Neo-Catalan"]
[WhiteFideId "1027875"]
[BlackFideId "1000764"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c5 5. O-O Nc6 6. d4 dxc4 7. dxc5 Qxd1 8.
Rxd1 Bxc5 9. Nc3 Bd7 10. Bf4 Rc8 11. Rac1 a6 12. Ne5 Nxe5 13. Bxe5 Bc6 14. Bxf6
gxf6 15. Ne4 Bxe4 16. Bxe4 Rc7 17. Bxb7 Rxb7 18. Rxc4 Rxb2 19. Rxc5 O-O 20. Ra5
Rxe2 21. Rxa6 Rb8 22. a4 Rbb2 23. Rf1 Ra2 24. Kg2 Re4 25. a5 Rea4 26. Rb1 Rxa5
27. Rxa5 Rxa5 28. h3 Ra2 29. Rb4 f5 30. g4 Ra5 31. Rf4 Kg7 32. Kg3 Kf6 33. Rb4
fxg4 34. hxg4 h5 35. gxh5 Rxh5 36. f3 Rg5+ 37. Kf4 Ra5 38. Rc4 Kg6 39. Rc3 Ra4+
40. Ke3 Kf5 41. Rc2 e5 42. Rb2 f6 43. Rc2 Ra3+ 44. Kf2 Kg5 45. Rb2 f5 46. Rc2
Kf4 47. Rc4+ e4 48. fxe4 Ra2+ 49. Ke1 fxe4 50. Rc3 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Wilgenhof, Otto"]
[Black "Van Foreest, Jorden"]
[Result "1-0"]
[WhiteElo "2210"]
[BlackElo "2097"]
[ECO "D44"]
[Opening "QGD semi-Slav"]
[Variation "anti-Meran, Lilienthal variation"]
[WhiteFideId "1002589"]
[BlackFideId "1039784"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5
9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Qb6 12. exf6 Bb7 13. Bg2 c5 14. d5 O-O-O 15.
O-O b4 16. Na4 Qb5 17. a3 exd5 18. axb4 cxb4 19. Qg4 Bd6 20. Be3 Be5 21. Bxa7 d4
22. Nb6+ Kc7 23. Nxc4 Bxg2 24. Kxg2 Qd5+ 25. f3 Rdg8 26. Nxe5 Rxg4 27. Nxg4 Kb7
28. Bxd4 Qxd4 29. Rad1 Qxb2+ 30. Rf2 Qb3 31. Rxd7+ Kb6 32. Ne5 Rc8 33. Rxf7 Rc1
34. Rd7 Qb1 35. Nd3 Rg1+ 36. Kh3 Qa1 37. Rb2 Qa5 38. Kg4 Qa8 39. Rxb4+ Kc6 40.
Ne5+ Kc5 41. Rc4+ Kb5 42. f7 Re1 43. Rf4 Qf8 44. Rd5+ Ka6 45. Ra4+ Kb7 46. Rb5+
Kc7 47. Ra7+ Kd6 48. Ra6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Beukema, Stefan"]
[Black "Vosselman, Jan"]
[Result "1-0"]
[WhiteElo "2209"]
[BlackElo "2112"]
[ECO "C45"]
[Opening "Scotch game"]
[WhiteFideId "1024523"]
[BlackFideId "1002422"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Nf6 7. Bg5 Be7 8.
Bd3 O-O 9. O-O c5 10. Qe3 Ng4 11. Bxe7 Qxe7 12. Qe2 Be6 13. f4 c4 14. Bxc4 Bxc4
15. Qxc4 Qh4 16. h3 Ne3 17. Qd3 Nxf1 18. Rxf1 Rad8 19. Nd5 Rfe8 20. Kh2 Rd7 21.
Qd4 Qd8 22. Rf3 Re6 23. f5 Re5 24. f6 g6 25. Rc3 h6 26. Qxa7 Rxd5 27. exd5 Qxf6
28. Qe3 Re7 29. Qxh6 Qe5+ 30. Kh1 Qe1+ 31. Kh2 Qe5+ 32. Rg3 Qxb2 33. h4 Qe5 34.
h5 Rc7 35. hxg6 f6 36. g7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Partenheimer, Axel"]
[Black "Offringa, Joost"]
[Result "1/2-1/2"]
[WhiteElo "2206"]
[BlackElo "2085"]
[ECO "A25"]
[Opening "English"]
[Variation "Sicilian reversed"]
[WhiteFideId "4646703"]
[BlackFideId "1025880"]
[EventDate "2011.07.19"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. d3 Bb4 6. Bd2 d6 7. a3 Bxc3 8. Bxc3
O-O 9. b4 Qe8 10. b5 Nd8 11. Nh3 f4 12. Ng5 Qh5 13. Ne4 Bh3 14. Bf3 Bg4 15.
Nxf6+ Rxf6 16. Bxg4 Qxg4 17. f3 Qh3 18. gxf4 Qh4+ 19. Kd2 Qxf4+ 20. Kc2 d5 21.
cxd5 c6 22. dxc6 bxc6 23. Rb1 cxb5 24. Rb4 Qe3 25. Qd2 Qc5 26. Kb1 Nc6 27. Rb3
Rg6 28. Rc1 Rg1 29. Bb2 Rxc1+ 30. Qxc1 Qxc1+ 31. Kxc1 a6 32. Kd2 Re8 33. Rc3 Re6
34. Rc5 Kf7 35. Ke3 Rh6 36. Bxe5 Nxe5 37. Rxe5 Rxh2 38. Rc5 Rh6 39. Rc7+ Kf8 40.
Ra7 Re6+ 41. Kf2 h5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Wroblowski, Oliver"]
[Black "Swinkels, Maurice"]
[Result "1/2-1/2"]
[WhiteElo "2191"]
[BlackElo "2102"]
[ECO "A52"]
[Opening "Budapest"]
[Variation "Adler variation"]
[WhiteFideId "24698679"]
[BlackFideId "1026305"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Bd2 Ngxe5 7. Bc3 Qe7 8.
Nbd2 Ng4 9. Qe2 O-O 10. h3 Nge5 11. Nxe5 Nxe5 12. Nf3 Nxf3+ 13. Qxf3 Bb4 14. Rc1
Bxc3+ 15. Rxc3 Qb4 16. Qe2 b6 17. Qc2 Bb7 18. Bd3 g6 19. a3 Qe7 20. O-O d6 21.
Rd1 Rfe8 22. Qe2 Qg5 23. Qg4 Qxg4 24. hxg4 Re5 25. Be2 Rae8 26. Kh2 f5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Oudshoorn, Arres"]
[Black "Hoogland, Dirk"]
[Result "1-0"]
[BlackTitle "CM"]
[WhiteElo "2007"]
[BlackElo "2181"]
[ECO "B27"]
[Opening "Sicilian"]
[Variation "Hungarian variation"]
[WhiteFideId "1036203"]
[BlackFideId "1012533"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. Qe4 Nc7 8. Nc3
Bg7 9. Bc4 b5 10. Bxb5 Nxb5 11. Nxb5 Qa5+ 12. Nc3 Rb8 13. O-O Bb7 14. Qe3 Nxe5
15. Nxe5 Qxe5 16. Qxa7 O-O 17. Qe3 Qf5 18. Qd3 Qe6 19. Rd1 Rfd8 20. f3 Ba6 21.
Qe4 Bxc3 22. Qxe6 dxe6 23. Rxd8+ Rxd8 24. bxc3 Rd1+ 25. Kf2 f6 26. a4 Kf7 27.
Ke3 Re1+ 28. Kd4 Re2 29. Ra3 Rxg2 30. Kc5 Rxh2 31. a5 Rh5+ 32. Kb6 Be2 33. a6
Rb5+ 34. Kc6 Rb8 35. Kc7 Ra8 36. a7 Bxf3 37. c4 Rg8 38. c5 Ba8 39. Rb3 e5 40.
Rb8 h5 41. Rxg8 Kxg8 42. Kd7 Kf7 43. c6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Hachijan, Armen"]
[Black "Vereggen, Lars"]
[Result "1-0"]
[WhiteElo "2165"]
[BlackElo "2036"]
[ECO "C78"]
[Opening "Ruy Lopez"]
[Variation "5.O-O"]
[WhiteFideId "1028081"]
[BlackFideId "1029258"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 Bb7 8. c3
O-O 9. d4 d6 10. Rd1 Qc8 11. Nbd2 Qg4 12. h3 Qc8 13. Nf1 Na5 14. Bc2 Re8 15. Ng3
g6 16. a4 exd4 17. axb5 axb5 18. Nxd4 c6 19. Bg5 Nc4 20. Rxa8 Bxa8 21. b3 Nb6
22. Qf3 Nbd7 23. Qf4 Qd8 24. h4 Ne5 25. Ra1 Nfd7 26. Bxe7 Qxe7 27. h5 Nf8 28.
Qd2 Ne6 29. Nxe6 Qxe6 30. Rd1 Rd8 31. f4 Ng4 32. Qe2 Nf6 33. e5 Nd5 34. f5 gxf5
35. Bxf5 Qh6 36. c4 Nf4 37. Qg4+ Kf8 38. Bxh7 Ne6 39. Qg8+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Von Meijenfeldt, Bart"]
[Black "Maatman, Nick"]
[Result "1-0"]
[WhiteElo "2154"]
[BlackElo "1994"]
[ECO "C19"]
[Opening "French"]
[Variation "Winawer, advance, poisoned pawn, Konstantinopolsky variation"]
[WhiteFideId "1032259"]
[BlackFideId "1040391"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7
Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 dxc3 12. Qd3 d4 13. h4 b6 14. h5 Bb7 15.
Rg1 O-O-O 16. g4 Kb8 17. h6 Rh8 18. g5 Nf5 19. Bg2 Nce7 20. a4 Bxg2 21. Rxg2 Nd5
22. Rb1 Nde3 23. Rg1 Qc6 24. Bxe3 dxe3 25. Qa6 Qf3 26. Rf1 Qd5 27. Qd3 Qa2 28.
Nxc3 Qa3 29. Qc4 Rc8 30. Nb5 Rxc4 31. Nxa3 Rxa4 32. Nb5 Rc8 33. c3 Ra2 34. Nd6
Rxc3 35. Nxf5 exf5 36. Rh1 Rc8 37. h7 Rh8 38. Rh6 Ra4 39. e6 Rxf4 40. exf7 Rg4
41. Rg6 Kc7 42. Rg8 Rxh7 43. f8=Q Rh1+ 44. Ke2 Rxb1 45. Qc8+ Kd6 46. Rd8+ Ke5
47. Qc3+ Ke6 48. Qf6# 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Beerdsen, Thomas"]
[Black "Merza, Morris"]
[Result "1/2-1/2"]
[WhiteElo "2009"]
[BlackElo "2145"]
[ECO "C10"]
[Opening "French"]
[Variation "Paulsen variation"]
[WhiteFideId "1030108"]
[BlackFideId "1027140"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. Bg5 Be7 6. e5 Ne4 7. Bxe7 Qxe7 8. Nd2
Nxc3 9. bxc3 Qa3 10. Nb3 b6 11. Bb5 Bd7 12. O-O Nxe5 13. Be2 Ng6 14. Qd2 O-O 15.
f4 Ne7 16. Rae1 c5 17. dxc5 bxc5 18. c4 d4 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Van Mierlo, Guido"]
[Black "Cox, Jan"]
[Result "1-0"]
[WhiteElo "2097"]
[BlackElo "1962"]
[ECO "C50"]
[Opening "Giuoco Pianissimo"]
[WhiteFideId "1032453"]
[BlackFideId "1031384"]
[EventDate "2011.07.19"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. d3 Bc5 5. O-O O-O 6. Re1 d6 7. c3 h6 8. h3 Re8
9. Nbd2 Be6 10. Bb3 d5 11. Bc2 Qe7 12. Qe2 Rad8 13. Nf1 b5 14. Bb3 a5 15. exd5
Nxd5 16. Nxe5 Nxe5 17. Qxe5 Qh4 18. Qg3 Qf6 19. Bxd5 Rxd5 20. Bf4 Rf5 21. Re4
Rd8 22. d4 Bd5 23. Be5 Rxe5 24. Rxe5 Bd6 25. Ne3 Bxe5 26. dxe5 Qe6 27. Rd1 c6
28. f4 Re8 29. Nxd5 cxd5 30. Qd3 Rd8 31. Qxb5 d4 32. Rxd4 Rxd4 33. cxd4 Qxa2 34.
Qb8+ Kh7 35. Qb7 Qb1+ 36. Kh2 Qd3 37. Qxf7 Qxd4 38. Qf5+ Kh8 39. e6 Qd6 40. Qe4
Qe7 41. Qa8+ Kh7 42. Qxa5 Qxe6 43. Qe5 Qb6 44. Qe4+ Kh8 45. b4 Qb5 46. Qd4 Qb8
47. Qc4 g5 48. Qd4+ Kg8 49. Qd5+ Kh7 50. Qf5+ Kg8 51. Qg6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Vos, Tjark"]
[Black "Gruenhagen, Marc"]
[Result "1-0"]
[WhiteElo "1842"]
[BlackElo "2133"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[WhiteFideId "1020870"]
[BlackFideId "24667862"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. O-O d6 8. a4
b6 9. Be3 Be7 10. f4 Nbd7 11. g4 Nc5 12. g5 Nfd7 13. f5 Bb7 14. fxe6 fxe6 15. b4
Nxd3 16. Qxd3 Nf8 17. Rxf8+ Bxf8 18. Nxe6 Qd7 19. Nd5 Rc8 20. Qb3 Bxd5 21. exd5
Be7 22. Rf1 b5 23. Nxg7+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.23"]
[Round "5"]
[White "Van Meegen, Ruud"]
[Black "Jonker, Fred"]
[Result "1/2-1/2"]
[WhiteElo "1947"]
[BlackElo "2154"]
[ECO "C53"]
[Opening "Giuoco Piano"]
[WhiteFideId "1034995"]
[BlackFideId "1005260"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 O-O 7. h3 a6 8. Bb3
Be6 9. O-O d5 10. Re1 Re8 11. exd5 Bxd5 12. Ne4 Be7 13. Bc2 Nxe4 14. dxe4 Be6
15. Be3 Qxd1 16. Raxd1 Rad8 17. Nd2 Na5 18. b4 Nc4 19. Nxc4 Bxc4 20. Bb3 Bxb3
21. axb3 g6 22. Kf1 Rxd1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Fier, Alexandr"]
[Black "L'Ami, Erwin"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2566"]
[BlackElo "2611"]
[ECO "A33"]
[Opening "English"]
[Variation "symmetrical, Geller variation"]
[WhiteFideId "2107139"]
[BlackFideId "1007998"]
[EventDate "2011.07.19"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. Ndb5 Ne5 8.
Bg2 a6 9. Na3 Bxa3 10. bxa3 Nxc4 11. O-O d5 12. Bg5 h6 13. Bxf6 gxf6 14. e4 d4
15. Rb1 Qa7 16. Qa4+ b5 17. Nxb5 axb5 18. Qxb5+ Qd7 19. Qxc4 Ba6 20. Qb4 Bxf1
21. Bxf1 Qe7 22. Qxd4 O-O 23. Qe3 Kg7 24. Rb3 Rfd8 25. Qf3 Ra5 26. Bb5 Qc5 27.
a4 Ra7 28. Rd3 Rxd3 29. Qxd3 Qc1+ 30. Kg2 Qe1 31. Bc6 Rc7 32. Qb5 Qc3 33. Bb7
Rc5 34. Qb6 Qa5 35. Qxa5 Rxa5 36. Bc6 Rc5 37. Bb5 Kf8 38. h4 Rc2 39. g4 Rxa2 40.
Kg3 Ra3+ 41. f3 Ke7 42. Kf4 Rc3 43. Kg3 Kd6 44. Be8 Rc7 45. Kf4 e5+ 46. Kg3 Kc5
47. g5 fxg5 48. hxg5 hxg5 49. Kg4 Kd6 50. Kxg5 Ke6 51. Kg4 Rc8 52. Bb5 Rg8+ 53.
Kh4 Kd6 54. a5 Kc5 55. Bd7 f6 56. a6 Ra8 57. Kh5 Rxa6 58. Kg6 Kd6 59. Bg4 Ke7
60. Kg7 Rb6 61. Bf5 Rb2 62. Bg4 Rh2 63. Kg6 Rh8 64. Kg7 Rd8 65. Bf5 Rd6 66. Bg4
Rd1 67. Bf5 Rc1 68. Bg4 Rb1 69. Bf5 Rb7 70. Bg4 Ra7 71. Bf5 Rc7 72. Bg4 Rc5 73.
Bf5 Rc3 74. Bg4 Ra3 75. Kg6 Ra8 76. Kg7 Kd6 77. Kxf6 Rf8+ 78. Kg5 Kc5 79. Bh5
Kd4 80. Bg4 Ke3 81. Bh5 Rf4 82. Bg4 Rf8 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Turov, Maxim"]
[Black "Radulski, Julian"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2630"]
[BlackElo "2556"]
[ECO "A93"]
[Opening "Dutch"]
[Variation "stonewall, Botwinnik variation"]
[WhiteFideId "4120086"]
[BlackFideId "2901595"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 e6 3. Nf3 Be7 4. g3 f5 5. Bg2 Nf6 6. O-O O-O 7. b3 Nc6 8. Ba3
Bxa3 9. Nxa3 Qe7 10. Qc1 Bd7 11. Nc2 Be8 12. Nce1 Bh5 13. e3 a5 14. Nd3 Nb4 15.
Nde5 Bxf3 16. Nxf3 Ne4 17. Ne5 c6 18. a3 Na6 19. f3 Nf6 20. Qc3 Nc7 21. e4 fxe4
22. fxe4 dxe4 23. Qe3 Rad8 24. Rf4 Nce8 25. g4 Nd6 26. Raf1 Qc7 27. Bh3 c5 28.
g5 cxd4 29. Qg3 Nf5 30. Bxf5 exf5 31. Rxf5 Nd7 32. Rxf8+ Nxf8 33. Qf4 Re8 34. h4
e3 35. Nd3 Qxf4 36. Rxf4 Ne6 37. Re4 Kf7 38. Kf1 b6 39. Ne5+ Ke7 40. Nc6+ Kd6
41. Nxd4 Rf8+ 42. Ke2 Nc5 43. Nb5+ Kd7 44. Rd4+ Ke7 45. Kxe3 Nxb3 46. Rd6 Rb8
47. Rc6 Nc5 48. Rc7+ Kf8 49. Nd6 Rd8 50. Rc8 Rxc8 51. Nxc8 Na4 52. Kd4 Ke8 53.
Nd6+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Vovk, Yuri"]
[Black "Neverov, Valeriy"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2564"]
[BlackElo "2500"]
[ECO "D30"]
[Opening "QGD"]
[Variation "Hastings variation"]
[WhiteFideId "14113171"]
[BlackFideId "14100150"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 h6 5. Bxf6 Qxf6 6. Nc3 c6 7. Qb3 dxc4 8.
Qxc4 Nd7 9. g3 g6 10. Bg2 Bg7 11. O-O O-O 12. a4 e5 13. e3 exd4 14. exd4 Nb6 15.
Qb4 Re8 16. Rfe1 Be6 17. a5 Bf8 18. Ne4 Qd8 19. Nc5 Nd7 20. Qxb7 Nxc5 21. dxc5
Bxc5 22. Qxc6 Rc8 23. Qa4 Rb8 24. Re2 Rb4 25. Qc2 Rc4 26. Qd1 Qxd1+ 27. Rxd1 Rb8
28. Ne5 Rcb4 29. Bd5 Rxb2 30. Rxb2 Rxb2 31. Nd3 Rb5 32. Bxe6 fxe6 33. Nxc5 Rxc5
34. Rd8+ Kf7 35. Rd7+ Kf6 36. Rxa7 Rc2 37. a6 Ra2 38. Kg2 h5 39. h4 Ra3 40. f3
Ra2+ 41. Kf1 Ra1+ 42. Ke2 Ra2+ 43. Kd3 Ra3+ 44. Kc4 Rxf3 45. Ra8 Ra3 46. Kb5
Rb3+ 47. Ka4 Rb1 48. Rf8+ Ke7 49. Rf3 Rb8 50. Ka5 e5 51. a7 Rd8 52. Rb3 Rd1 53.
Ka4 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Vishnu Prasanna. V"]
[Black "Georgiev, Vladimir"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2340"]
[BlackElo "2559"]
[ECO "C70"]
[Opening "Ruy Lopez"]
[Variation "Cozio defence deferred"]
[WhiteFideId "5030692"]
[BlackFideId "2903024"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. Bb3 Ng6 6. O-O d6 7. d4 Bg4 8. h3
Bxf3 9. Qxf3 Qf6 10. Qxf6 gxf6 11. dxe5 fxe5 12. Nc3 Nd4 13. Nd5 Nxb3 14. axb3
Rc8 15. Bg5 Bg7 16. Rad1 Rg8 17. Kh2 Kd7 18. g3 Rce8 19. Rd3 h6 20. Bf6 Re6 21.
Bxg7 Rxg7 22. f4 exf4 23. gxf4 f5 24. Rg3 Rf7 25. exf5 Re2+ 26. Kg1 Nh4 27. Rf2
Re1+ 28. Kh2 Nxf5 29. Rg6 Kc6 30. Rf6 Rxf6 31. Nxf6 Re6 32. Nh5 Re3 33. c3 a5
34. Rg2 b5 35. Ng3 Nxg3 36. Rxg3 Re4 37. Rg4 h5 38. Rh4 Re2+ 39. Kg3 Rxb2 40. f5
Rxb3 41. Rxh5 b4 42. Kf2 bxc3 43. Ke2 c2 44. Kd2 Rc3 45. Kc1 Rc5 46. Rg5 a4 47.
Rg4 Rxf5 48. Rxa4 Rf2 49. h4 Rh2 50. Rg4 d5 51. Rg7 Rxh4 52. Kxc2 Rh3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Turova, Irina"]
[Black "Nijboer, Friso"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2413"]
[BlackElo "2546"]
[ECO "A41"]
[Opening "Old Indian defence"]
[WhiteFideId "4120876"]
[BlackFideId "1000063"]
[EventDate "2011.07.19"]

1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Be7 6. Nh3 Nf6 7. g3 c6 8. d5 Nbd7
9. Bg2 Nb6 10. dxc6 bxc6 11. b3 d5 12. cxd5 cxd5 13. O-O O-O 14. Be3 Qd7 15. a4
Rb8 16. a5 Na8 17. Nf4 Rd8 18. Bd4 Ba6 19. h4 Rb7 20. Ra2 Nc7 21. Rd2 Nfe8 22.
Na2 Nb5 23. Bh3 Nxd4 24. Rxd4 Nf6 25. Qc2 Rc7 26. Qb2 Bc5 27. Rdd1 Qc8 28. b4
Bf8 29. Qe5 Re7 30. Qxf5 Qc4 31. Ne6 Bc8 32. Rc1 Qxa2 33. Rxc8 Rxc8 34. Nxg7
Kxg7 35. Qg5+ Kf7 36. Bxc8 Qxe2 37. Rc1 e3 38. fxe3 Qxe3+ 39. Kg2 Bh6 40. Qxe3
Bxe3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "L'Ami, Alina"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[WhiteTitle "WGM"]
[BlackTitle "GM"]
[WhiteElo "2312"]
[BlackElo "2525"]
[ECO "A42"]
[Opening "Modern defence"]
[Variation "Averbakh system"]
[WhiteFideId "1210246"]
[BlackFideId "2021285"]
[EventDate "2011.07.19"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. d5 a5 6. Bd3 Na6 7. Nge2 Bd7 8. O-O Nh6
9. h3 O-O 10. Be3 f5 11. f4 exf4 12. Nxf4 Qe7 13. Qd2 Nb4 14. Bb1 fxe4 15. a3
Na6 16. Nxe4 Nf5 17. Ne6 Nxe3 18. Rxf8+ Bxf8 19. Qxe3 Bxe6 20. dxe6 Qxe6 21. Bc2
Nc5 22. Qf3 Nxe4 23. Bxe4 c6 24. Re1 Qxc4 25. h4 d5 26. Bd3 Bc5+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Milov, Leonid"]
[Black "Hendriks, Willy"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2515"]
[BlackElo "2415"]
[ECO "B09"]
[Opening "Pirc"]
[Variation "Austrian attack, 6.e5"]
[WhiteFideId "14101068"]
[BlackFideId "1000713"]
[EventDate "2011.07.19"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5 dxe5 7. fxe5 Nd5 8. Bc4
Be6 9. Nxd5 Bxd5 10. Bxd5 Qxd5 11. Qe2 f6 12. c4 Qa5+ 13. Bd2 Qb6 14. Bc3 Nc6
15. e6 Rad8 16. O-O-O Nb4 17. Kb1 f5 18. Ne5 a5 19. Nd7 Qd6 20. Nxf8 Rxf8 21. a3
Na6 22. h4 h5 23. Qf3 Qxe6 24. d5 Qe4+ 25. Qxe4 fxe4 26. Bxg7 Kxg7 27. Rhf1 Rf5
28. Rfe1 Rf4 29. g3 Rg4 30. Rd4 Nc5 31. b4 Nb3 32. Rdd1 a4 33. Kb2 Kf6 34. Rf1+
Ke5 35. Rf7 Rxg3 36. Rxe7+ Kf4 37. c5 b5 38. cxb6 cxb6 39. d6 b5 40. Rc7 Rg2+
41. Rc2 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Timman, Jan H"]
[Black "Van Der Poel, Henk"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2575"]
[BlackElo "2292"]
[ECO "B48"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[WhiteFideId "1000012"]
[BlackFideId "1002449"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8.
O-O-O Bb4 9. f3 O-O 10. g4 b5 11. g5 Ne8 12. Nxc6 dxc6 13. Qf2 e5 14. Bc5 Bxc5
15. Qxc5 Be6 16. h4 f6 17. Bh3 Bxh3 18. Rxh3 Rf7 19. Rg3 Rc8 20. h5 fxg5 21.
Rxg5 Qe7 22. Rxe5 Qxc5 23. Rxc5 Rxf3 24. Nd5 Kf8 25. Nb6 Rc7 26. Nd7+ Kg8 27.
Re5 Nf6 28. Nc5 Rc8 29. Rg1 Re8 30. Rxe8+ Nxe8 31. Nxa6 Re3 32. Nc5 Nd6 33. h6
g6 34. Rf1 Nf7 35. b3 Nxh6 36. a4 bxa4 37. bxa4 Nf7 38. Kb2 Nd6 39. c3 h5 40.
Kb3 Nxe4 41. Nxe4 Rxe4 42. a5 h4 43. a6 Kg7 44. Ra1 Re8 45. Kc4 g5 46. Kc5 Kg6
47. a7 Ra8 48. Kxc6 h3 49. Kb7 Rxa7+ 50. Kxa7 g4 51. c4 h2 52. c5 g3 53. c6 g2
54. c7 g1=Q+ 55. Rxg1+ hxg1=Q+ 56. Kb7 Qb1+ 57. Ka7 Qc2 58. Kb7 Qb3+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Brown, Andrew"]
[Black "Vovk, Andrey"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2202"]
[BlackElo "2551"]
[ECO "E77"]
[Opening "King's Indian"]
[Variation "Four pawns attack"]
[WhiteFideId "3206513"]
[BlackFideId "14114470"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5
9. cxd5 Bg4 10. O-O Nbd7 11. Nd2 Bxe2 12. Qxe2 Re8 13. Qf3 Rc8 14. Nc4 Nb6 15.
Na5 Qe7 16. Re1 Nbxd5 17. e5 Nxc3 18. bxc3 dxe5 19. fxe5 Nd7 20. e6 Ne5 21.
exf7+ Qxf7 22. Qxf7+ Nxf7 23. Rxe8+ Rxe8 24. Bd2 Rd8 25. Be1 b6 26. Nc6 Rd7 27.
a4 Rc7 28. Nb8 Rc8 29. Na6 Ne5 30. Rd1 Kf7 31. Bh4 Ke6 32. Bd8 Nc6 33. Bc7 Be5
34. Re1 Kd5 35. Bxe5 Nxe5 36. h3 Kd6 37. Re4 Re8 38. c4 Kc6 39. Rh4 Re7 40. a5
Kb7 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Ikeda, Junta"]
[Black "Brandenburg, Daan"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2349"]
[BlackElo "2538"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "3204731"]
[BlackFideId "1011014"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. c4 Re8 8. Nc3 c6
9. Rc1 a5 10. e3 Na6 11. d3 Bf5 12. Qd2 Nb4 13. e4 Bg4 14. h3 Bxf3 15. Bxf3 h5
16. Rcd1 h4 17. Bc1 Nd7 18. Bg4 Nc5 19. Qe2 Rf8 20. Bf3 f5 21. exf5 gxf5 22. Bg2
Qf6 23. Qh5 hxg3 24. fxg3 Qf7 25. Qh4 Qg6 26. d4 exd4 27. Ne2 Nxa2 28. Nf4 Qh6
29. Bb2 Qxh4 30. gxh4 Nc3 31. Rde1 Rae8 32. Ba3 Bh6 33. Rxe8 Rxe8 34. Nh5 Re5
35. b4 N5e4 36. bxa5 Rxa5 37. Bxe4 Nxe4 38. Bb4 Ra4 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Petrov, Marijan"]
[Black "Arnaudov, G. Petar"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2534"]
[BlackElo "2439"]
[ECO "C70"]
[Opening "Ruy Lopez"]
[Variation "Cozio defence deferred"]
[WhiteFideId "2901773"]
[BlackFideId "2907127"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. c4 g6 6. d4 exd4 7. Nxd4 Bg7 8.
Nxc6 Nxc6 9. O-O O-O 10. Nc3 d6 11. Be3 Ne5 12. Bb3 Be6 13. c5 Nc4 14. Bxc4 Bxc4
15. Re1 dxc5 16. Bxc5 Qxd1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Odendahl, Reiner"]
[Black "Ly, Moulthun"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2375"]
[BlackElo "2369"]
[ECO "A16"]
[Opening "English opening"]
[WhiteFideId "4613570"]
[BlackFideId "3204405"]
[EventDate "2011.07.19"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. d4 d5 7. cxd5 cxd5 8. Ne5
e6 9. O-O Nfd7 10. f4 Nc6 11. Be3 Nb6 12. Bf2 f6 13. Nd3 Nc4 14. Rc1 Ne7 15. e4
dxe4 16. Nxe4 Na5 17. Nb4 Nd5 18. Nxd5 exd5 19. Nc5 Qd6 20. Re1 Rd8 21. b3 b6
22. Na4 Be6 23. Nc3 Bf7 24. Nb5 Qd7 25. Qd3 Nc6 26. Bf1 Rac8 27. Qd2 Bf8 28. Qb2
a6 29. Nc3 b5 30. a4 Na7 31. axb5 Nxb5 32. Nxb5 axb5 33. Rxc8 Rxc8 34. Rc1 b4
35. Bd3 Ra8 36. Qc2 Ra3 37. f5 g5 38. Be2 Qa7 39. Bf3 Ra2 40. Qc6 Rxf2 41. Kxf2
Qxd4+ 42. Kf1 Qe5 43. Kg2 h5 44. Qc2 g4 45. Be2 Bh6 46. Rd1 d4 47. Bc4 Bd5+ 48.
Kf1 Kh7 49. Re1 Be3 50. Rxe3 dxe3 51. Bxd5 Qxd5 52. Qc7+ Kh6 53. Qf4+ Kg7 54.
Qc7+ Kh6 55. Qf4+ Kg7 56. Qc7+ Kf8 57. Qb8+ Kf7 58. Qa7+ Kf8 59. Qb8+ Ke7 60.
Qa7+ Kd6 61. Qb8+ Kd7 62. Qa7+ Kc8 63. Qa6+ Kc7 64. Qa7+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Deepan Chakkravarthy J."]
[Black "Hachijan, Armen"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2470"]
[BlackElo "2165"]
[ECO "E63"]
[Opening "King's Indian"]
[Variation "fianchetto, Panno variation"]
[WhiteFideId "5011132"]
[BlackFideId "1028081"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O a6 8. h3 Bd7
9. e4 e5 10. Be3 Qc8 11. Kh2 exd4 12. Nxd4 Ne5 13. b3 Re8 14. a4 c5 15. Nde2 Qc7
16. Qd2 Nc6 17. Bg5 Nb4 18. Rad1 Bc6 19. Qf4 Re6 20. Qh4 Nd7 21. Rd2 h5 22. Rfd1
f6 23. Be3 Ne5 24. f4 Nf7 25. f5 gxf5 26. Nf4 Ree8 27. Nxh5 Qe7 28. Rf2 Bd7 29.
Bc1 Qe5 30. Bb2 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Kuipers, Stefan"]
[Black "Kampman, Tijmen"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2365"]
[BlackElo "2111"]
[ECO "C10"]
[Opening "French"]
[Variation "Paulsen variation"]
[WhiteFideId "1018400"]
[BlackFideId "1009079"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. e5 Nd7 6. a3 f6 7. exf6 Qxf6 8. Bd3
Bd6 9. Bg5 Qf7 10. Bh4 h6 11. Bg3 O-O 12. Qe2 e5 13. Nxd5 Re8 14. Nxc7 Bxc7 15.
Bc4 Re6 16. d5 Nb6 17. dxe6 Qe7 18. Bb3 Bxe6 19. Bxe6+ Qxe6 20. O-O Rf8 21. Rfe1
Nd5 22. Qc4 Na5 23. Qa2 b5 24. Nxe5 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Beukema, Stefan"]
[Black "Sowray, Peter J"]
[Result "1-0"]
[BlackTitle "FM"]
[WhiteElo "2209"]
[BlackElo "2350"]
[ECO "B44"]
[Opening "Sicilian, Szen (`anti-Taimanov') variation"]
[WhiteFideId "1024523"]
[BlackFideId "400971"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. Bf4 e5 7. Be3 Nf6 8. Bg5
a6 9. Bxf6 gxf6 10. N5c3 f5 11. Qh5 Bg7 12. Bc4 O-O 13. exf5 Nb4 14. O-O d5 15.
Bb3 d4 16. Ne4 Nd5 17. Bxd5 Qxd5 18. Nbd2 Qc6 19. f4 exf4 20. Rxf4 Qh6 21. Qg4
Kh8 22. Rf3 Be5 23. Rh3 Qf4 24. Qh5 Qxf5 25. Ng5 Bg7 26. Nxh7 Qxh5 27. Rxh5 Rd8
28. Nf6+ Bh6 29. Rxh6+ Kg7 30. Rh7+ Kxf6 31. Rf1+ Ke6 32. Rhxf7 Bd7 33. Nc4 Be8
34. R1f6+ Kd5 35. Nb6+ Ke4 36. Re7# 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Timmermans, Mark"]
[Black "Goudriaan, Etienne"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2183"]
[BlackElo "2283"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "1026399"]
[BlackFideId "1021150"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
h5 9. Qd2 Nbd7 10. Nd5 Bxd5 11. exd5 g6 12. O-O-O Bg7 13. Kb1 O-O 14. c4 b6 15.
Be2 Nc5 16. g4 e4 17. gxh5 Nxh5 18. Nxc5 bxc5 19. fxe4 Rb8 20. e5 Bxe5 21. b3
Bg7 22. Kc2 Qh4 23. Bxh5 Qxh5 24. Rde1 Qf5+ 25. Qd3 Qe5 26. Rb1 Rfe8 27. Bd2 Qh5
28. Rbf1 Rb7 29. Rf2 Rbe7 30. Rhf1 Re2 31. Kc1 Bh6 32. Bxh6 Qxh6+ 33. Kd1 R2e3
34. Qd2 R8e4 35. Kc2 f5 36. Rg1 Qh5 37. Rgg2 Kf7 38. Kb2 Qh8+ 39. Ka3 Qa1 40.
Rg3 Rxg3 41. hxg3 Qd4 42. Qc2 Kf6 43. Rf3 Re3 44. Rxe3 Qxe3 45. Qb2+ Qd4 46. Qh2
Kg7 47. Qh3 Qc3 48. Qh4 Qb4+ 49. Kb2 Qd2+ 50. Ka3 g5 51. Qh5 Qe3 52. g4 fxg4 53.
Qxg4 Qf4 54. Qh5 Kf6 55. Qe8 g4 56. Qe6+ Kg5 57. Qe7+ Qf6 58. Qe3+ Kh4 59. Qe4
Kh5 60. Qe8+ Qg6 61. Qe2 Qf6 62. Qe8+ Kg5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Van der Linden, Lucas"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[WhiteElo "2275"]
[BlackElo "2007"]
[ECO "E86"]
[Opening "King's Indian"]
[Variation "Saemisch, orthodox, 7.Nge2 c6"]
[WhiteFideId "1008722"]
[BlackFideId "1036203"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 c6 7. Be3 e5 8. Qd2 Be6
9. d5 cxd5 10. cxd5 Bd7 11. g4 h5 12. h3 Kh7 13. Bg5 b5 14. gxh5 gxh5 15. h4 Rh8
16. Ng3 Kg8 17. Bxb5 Bc8 18. O-O-O Qa5 19. Rhg1 Kf8 20. Bc6 Nxc6 21. dxc6 Ne8
22. Nf5 Bxf5 23. exf5 f6 24. Be3 Rc8 25. Kb1 Rxc6 26. Rc1 Rc7 27. Rc2 Rd7 28.
Qf2 Bh6 29. Ne4 Bxe3 30. Qxe3 Qd8 31. Rg6 Rg7 32. Rxg7 Nxg7 33. Qxa7 Nxf5 34.
Nxf6 Ne7 35. Qe3 Kf7 36. Ne4 Qd7 37. Qg5 Qe6 38. Rc7 d5 39. Nc3 Kf8 40. Nxd5
Qf5+ 41. Qxf5+ Nxf5 42. Rc8+ Kg7 43. Rxh8 Kxh8 44. a4 Nxh4 45. a5 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Lommers, Frank"]
[Black "Mostertman, Milan"]
[Result "1-0"]
[WhiteElo "2176"]
[BlackElo "2232"]
[ECO "A14"]
[Opening "English"]
[Variation "Neo-Catalan declined"]
[WhiteFideId "1010107"]
[BlackFideId "1025848"]
[EventDate "2011.07.19"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 d4 7. Bb2 c5 8. e3 Nc6
9. exd4 cxd4 10. Re1 Qd7 11. a3 a5 12. d3 Bd6 13. Nbd2 e5 14. Qc2 Qc7 15. Re2
Bg4 16. h3 Bh5 17. g4 Bg6 18. c5 Be7 19. Qc4 Nd7 20. Nxd4 exd4 21. Bxc6 Ne5 22.
Qxd4 Bf6 23. Qf4 Qxc6 24. Bxe5 Bxd3 25. Re3 Bxe5 26. Rxe5 Rad8 27. b4 Qc7 28.
Qe3 Bg6 29. Re7 Qc6 30. Ne4 axb4 31. axb4 Ra8 32. Re1 Ra4 33. Qb3 Qb5 34. Nd6
Qxb4 35. Re8 Be4 36. Qxf7+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Smagin, Nikita"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[WhiteElo "1977"]
[BlackElo "2210"]
[ECO "C00"]
[Opening "French"]
[Variation "Two knights variation"]
[WhiteFideId "24149039"]
[BlackFideId "1002589"]
[EventDate "2011.07.19"]

1. e4 e6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Nc6 7. Bf4 Bxc5 8. Bd3
f6 9. exf6 Nxf6 10. O-O O-O 11. Qe2 Qe8 12. Rad1 Nh5 13. Bg3 Bd7 14. Ne5 Nxg3
15. hxg3 Nxe5 16. Qxe5 Qf7 17. Rd2 Qf6 18. Qxf6 Rxf6 19. Be2 Bc6 20. Bf3 Raf8
21. Nd1 g5 22. c4 Rxf3 23. gxf3 dxc4 24. Rc2 Rxf3 25. Rc3 Rf6 26. Ne3 Rh6 27.
Ng2 b5 28. Rd1 Bd5 29. a3 Kf7 30. g4 Bb6 31. Rg3 a5 32. Rc1 Bd4 33. Rc2 b4 34.
axb4 axb4 35. Re2 e5 36. Rd2 Ke6 37. Kf1 c3 38. bxc3 bxc3 39. Rc2 Rh1+ 40. Ke2
Bc4+ 41. Kf3 Bd3 42. Ne3 Rh2 43. Rg1 e4+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Bus, Tom"]
[Black "Von Meijenfeldt, Bart"]
[Result "1-0"]
[WhiteElo "2237"]
[BlackElo "2154"]
[ECO "A15"]
[Opening "English, 1...Nf6 (Anglo-Indian defense)"]
[WhiteFideId "1014374"]
[BlackFideId "1032259"]
[EventDate "2011.07.19"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d3 d6 6. Rb1 c5 7. Nf3 Nc6 8. O-O
Bd7 9. a3 a6 10. b4 cxb4 11. axb4 b5 12. cxb5 axb5 13. Nxb5 Qb6 14. Nc3 Nxb4 15.
Bg5 Bc6 16. Qd2 Rfb8 17. Rfc1 Ng4 18. Nd1 Bd5 19. e4 Ba2 20. Rxb4 Qxb4 21. Rc8+
Rxc8 22. Qxb4 Rcb8 23. Qd2 Bb3 24. Ne3 Ra2 25. Nxg4 Rxd2 26. Bxd2 Bd1 27. Ne3
Be2 28. Ne1 Rb2 29. Nc4 Rb3 30. Bf1 Bxf1 31. Kxf1 Bc3 32. Bxc3 Rxc3 33. Ke2 Rb3
34. Kd2 Rb5 35. Nc2 Rh5 36. h4 d5 37. N4e3 dxe4 38. dxe4 Ra5 39. Kd3 Ra6 40. g4
Rd6+ 41. Ke2 Kg7 42. e5 Ra6 43. Kf3 f6 44. Ke4 Kf7 45. Nd4 fxe5 46. Kxe5 Ra2 47.
f4 Rh2 48. Nf3 Rh1 49. f5 Kg7 50. Kf4 Kf7 51. Kg5 Kg7 52. fxg6 hxg6 53. Nd5 Kf7
54. Nf4 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Vogel, Jaap"]
[Black "Van Mierlo, Guido"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2221"]
[BlackElo "2097"]
[ECO "A49"]
[Opening "King's Indian"]
[Variation "fianchetto without c4"]
[WhiteFideId "1000764"]
[BlackFideId "1032453"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 c6 8. e4
Qc7 9. h3 e5 10. Be3 Re8 11. d5 c5 12. Nd2 a6 13. a4 Rb8 14. Qe2 Nf8 15. a5 Bd7
16. Na4 Bxa4 17. Rxa4 Qd7 18. Rfa1 Nh5 19. b4 f5 20. exf5 Nf4 21. Qf1 gxf5 22.
bxc5 Nxg2 23. Qxg2 f4 24. gxf4 exf4 25. Bxf4 Ng6 26. Bxd6 Bxa1 27. Rxa1 Rbd8 28.
Rb1 Qf7 29. Nf3 Rd7 30. Qg4 Kh8 31. Bg3 h6 32. Rb6 Kh7 33. Rxg6 Rde7 34. Ng5+
hxg5 35. Qh5# 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Koffeman, Timo"]
[Black "Partenheimer, Axel"]
[Result "1/2-1/2"]
[BlackElo "2206"]
[ECO "B47"]
[Opening "Sicilian"]
[Variation "Taimanov (Bastrikov) variation"]
[BlackFideId "4646703"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 d6 8. O-O
Bd7 9. Re1 Be7 10. Nxc6 Bxc6 11. a4 Nf6 12. Be3 O-O 13. a5 Rae8 14. Qd3 Nd7 15.
f4 Rc8 16. Qe2 Rfe8 17. Qf2 Bf8 18. Red1 g6 19. Bd4 e5 20. Be3 exf4 21. Qxf4 Ne5
22. Bh3 Ra8 23. Bb6 Qe7 24. Nd5 Bxd5 25. exd5 f5 26. Rac1 Nf7 27. Qf2 Ng5 28.
Bg2 Bh6 29. Rb1 Ne4 30. Bxe4 Qxe4 31. b3 f4 32. c4 fxg3 33. Qxg3 Bf4 34. Qd3 Qe5
35. Qh3 Qg5+ 36. Qg2 Qh5 37. Re1 Re5 38. Rxe5 Qxe5 39. Rf1 Rf8 40. Kh1 Rf5 41.
Bg1 g5 42. Qg4 Qe4+ 43. Qg2 Re5 44. Qxe4 Rxe4 45. Rd1 Re8 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Vos, Tjark"]
[Black "Wroblowski, Oliver"]
[Result "1-0"]
[WhiteElo "1842"]
[BlackElo "2191"]
[ECO "B60"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Larsen variation"]
[WhiteFideId "1020870"]
[BlackFideId "24698679"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Be2 Qb6 8.
Nb3 Rc8 9. O-O h6 10. Bxf6 gxf6 11. Kh1 Ne5 12. Nd5 Qd8 13. f4 e6 14. fxe5 exd5
15. exf6 dxe4 16. Bh5 Be6 17. Nd4 Kd7 18. c3 Qa5 19. Bg4 h5 20. Bxe6+ fxe6 21.
Qb3 d5 22. Qxb7+ Rc7 23. Qb3 e5 24. Nb5 Rc4 25. Rad1 Kc6 26. f7 Qa4 27. Rf6+ Kc5
28. Nc7 d4 29. Na6+ Kd5 30. Qb7+ Rc6 31. Qd7+ Bd6 32. Rxd6+ Rxd6 33. Qxa4 d3 34.
Nc7+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Offringa, Joost"]
[Black "Zwirs, Nico"]
[Result "0-1"]
[WhiteElo "2085"]
[BlackElo "2125"]
[ECO "A45"]
[Opening "Queen's pawn game"]
[WhiteFideId "1025880"]
[BlackFideId "1036432"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. h3 c5 3. dxc5 Qa5+ 4. c3 Qxc5 5. g4 g6 6. Bg2 Bg7 7. Be3 Qc7 8. Qd2
Nc6 9. Na3 d6 10. Nf3 Bd7 11. Nd4 a6 12. Rc1 O-O 13. Bh6 Rac8 14. Bxg7 Kxg7 15.
Nac2 e5 16. Nf5+ Bxf5 17. gxf5 Ne7 18. Ne3 Nh5 19. Nd5 Nxd5 20. Bxd5 Qe7 21. Bf3
Nf6 22. fxg6 hxg6 23. Kd1 Qe6 24. b3 b5 25. e4 Rh8 26. Kc2 b4 27. c4 d5 28. Kb2
dxc4 29. Qxb4 cxb3 30. axb3 Rxc1 31. Rxc1 Rxh3 32. Rc3 Qd7 33. Qc5 Qd2+ 34. Ka3
Qf4 35. Qe3 Nxe4 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Kollen, Zyon"]
[Black "Beerdsen, Thomas"]
[Result "1-0"]
[WhiteElo "2118"]
[BlackElo "2009"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "1024256"]
[BlackFideId "1030108"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4
g5 9. Bg3 Bg7 10. h3 Ne5 11. Nf5 Bxf5 12. exf5 Nbc6 13. Nd5 e6 14. fxe6 fxe6 15.
Ne3 O-O 16. Be2 Rc8 17. O-O d5 18. Re1 Qb6 19. Rb1 Nd4 20. c3 Nf5 21. Nxf5 Rxf5
22. Bd3 Nxd3 23. Qxd3 Rcf8 24. Qe3 Qxe3 25. fxe3 Be5 26. Bxe5 Rxe5 27. Re2 Re4
28. Rd1 Rf5 29. Rd4 Rfe5 30. Kf2 Kf7 31. Rxe4 Rxe4 32. Rd2 Kf6 33. Rd4 Ke5 34.
Kf3 h5 35. Rxe4+ dxe4+ 36. Ke2 Kd5 37. Kd2 a5 38. a4 Kc4 39. Kc2 b6 40. b3+ Kd5
41. g4 hxg4 42. hxg4 Kc5 43. Kb2 Kd5 44. Ka3 Kc5 45. c4 e5 46. Ka2 Kd6 47. Kb2
Kc5 48. Kc3 Kd6 49. b4 Kc6 50. c5 b5 51. bxa5 Kxc5 52. a6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Swinkels, Maurice"]
[Black "Bakker, Guido"]
[Result "1-0"]
[WhiteElo "2102"]
[BlackElo "2088"]
[ECO "B27"]
[Opening "Sicilian"]
[Variation "Hungarian variation"]
[WhiteFideId "1026305"]
[BlackFideId "1027875"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bg7 6. e5 Ng8 7. f4 Nc6 8. Bc4
Nxd4 9. Qxd4 Nh6 10. Bd2 O-O 11. O-O-O e6 12. Qc5 f6 13. Ne4 b6 14. Qd6 Nf7 15.
Qa3 fxe5 16. Nd6 Nxd6 17. Qxd6 Bb7 18. fxe5 Rc8 19. Bb3 Rc5 20. Rde1 Rf5 21.
Bxe6+ Kh8 22. Bxf5 Rd5 23. Qb4 gxf5 24. Rhf1 a5 25. Qf4 b5 26. Qxf5 Qc7 27. Qf7
h6 28. Qg6 Rxd2 29. Kxd2 Bd5 30. Re3 Qc5 31. c3 Bc4 32. Rg3 Qxe5 33. Qxg7+ Qxg7
34. Rxg7 Kxg7 35. Rf5 Kg6 36. Rc5 d6 37. Rxc4 bxc4 38. Ke3 Kg5 39. Kf3 h5 40. g3
Kf5 41. h3 a4 42. a3 d5 43. g4+ hxg4+ 44. hxg4+ Ke5 45. Ke3 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Hoogland, Dirk"]
[Black "Vosselman, Jan"]
[Result "1-0"]
[WhiteTitle "CM"]
[WhiteElo "2181"]
[BlackElo "2112"]
[ECO "C44"]
[Opening "Scotch gambit"]
[Variation "Dubois-Reti defence"]
[WhiteFideId "1012533"]
[BlackFideId "1002422"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. O-O
Bd7 9. Bxc6 Bxc6 10. f3 Ng5 11. f4 Ne4 12. Be3 O-O 13. Nd2 f5 14. Nxe4 dxe4 15.
Nxf5 Rxf5 16. Bxc5 Qe8 17. Be3 Rd8 18. Qg4 Qe6 19. Qh4 Rdf8 20. g4 R5f7 21. Qg3
Qc4 22. f5 Qxc2 23. e6 Rf6 24. Rf2 Qd3 25. Rd2 Qc4 26. Rad1 Bb5 27. Qe5 g6 28.
e7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Merza, Morris"]
[Black "Maatman, Nick"]
[Result "0-1"]
[WhiteElo "2145"]
[BlackElo "1994"]
[ECO "C00"]
[Opening "French"]
[Variation "Wing gambit"]
[WhiteFideId "1027140"]
[BlackFideId "1040391"]
[EventDate "2011.07.19"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 d4 5. c3 Nc6 6. b5 Na5 7. cxd4 cxd4 8. Qa4 Bc5
9. Bb2 d3 10. Nc3 f5 11. exf6 Nxf6 12. Ne4 Bb6 13. Nxf6+ gxf6 14. Qe4 e5 15.
Bxd3 Be6 16. O-O Qd5 17. Qh4 O-O-O 18. Qxf6 Rhf8 19. Rac1+ Nc6 20. Qxe5 Rxf3 21.
Be4 Rxf2 22. Rxf2 Bxf2+ 23. Kf1 Qc4+ 24. Rxc4 Bxc4+ 25. Kxf2 Nxe5 26. Bxe5 Rxd2+
27. Kg3 Bxb5 28. a3 Bc6 29. Bf5+ Kd8 30. Bxh7 Rxg2+ 31. Kh4 Ke7 32. Kh5 Ke6 33.
Bf4 Bf3+ 34. Kh6 b5 35. h4 a5 36. h5 b4 37. axb4 axb4 38. Bg5 Rh2 39. Bg6 b3 40.
Bf4 Rh1 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Van Foreest, Jorden"]
[Black "Viergever, Max"]
[Result "1-0"]
[WhiteElo "2097"]
[BlackElo "2123"]
[ECO "C41"]
[Opening "Philidor"]
[Variation "Improved Hanham variation"]
[WhiteFideId "1039784"]
[BlackFideId "1019058"]
[EventDate "2011.07.19"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. h3 c6 8. a4
Nxe4 9. Nxe4 d5 10. Nc3 dxc4 11. dxe5 f6 12. exf6 Nxf6 13. Qe2 Nd5 14. Nxd5 cxd5
15. Be3 Bf6 16. Bd4 Bf5 17. Rad1 Be4 18. Bxf6 Qxf6 19. Nd4 Rfe8 20. Qd2 Rad8 21.
Rfe1 a6 22. a5 Bg6 23. Rxe8+ Bxe8 24. Qb4 Bh5 25. f3 Rd7 26. Qc5 Qe7 27. Qc8+
Qd8 28. Qxd8+ Rxd8 29. Re1 Re8 30. Rxe8+ Bxe8 31. Kf2 Kf7 32. Ke3 Kf6 33. Ne2
Ke5 34. f4+ Kd6 35. Kd4 Bg6 36. Nc3 Bf7 37. Nd1 Bg6 38. Ne3 Bf7 39. f5 Kc6 40.
c3 Kd6 41. Ng4 Bh5 42. Ne5 Be2 43. Ng4 Bxg4 44. hxg4 h6 45. g3 Ke7 46. Kxd5 Kf6
47. Kd6 Kg5 48. Kc7 Kxg4 49. Kxb7 Kxg3 50. Kxa6 h5 51. Kb6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Vereggen, Lars"]
[Black "Van Meegen, Ruud"]
[Result "1-0"]
[WhiteElo "2036"]
[BlackElo "1947"]
[ECO "E63"]
[Opening "King's Indian"]
[Variation "fianchetto, Panno variation"]
[WhiteFideId "1029258"]
[BlackFideId "1034995"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. h3 Rb8
9. d5 Na5 10. b3 b5 11. Qd3 b4 12. Nd1 Bf5 13. Qe3 Nxd5 14. cxd5 Bxa1 15. Nd4
Bd7 16. Nb2 f6 17. Nd3 Rf7 18. Ne6 Qc8 19. Ndf4 Be5 20. h4 Nb7 21. Nd3 Nd8 22.
Ndf4 c5 23. Kh1 Nxe6 24. dxe6 Bxe6 25. Nxe6 Qxe6 26. f4 Rbf8 27. fxe5 fxe5 28.
Rd1 Qg4 29. Qd3 Rf2 30. Bh6 Re8 31. Rd2 Rd8 32. Qd5+ e6 33. Qd3 Rf7 34. Kh2 Qf5
35. Qxa6 Rfd7 36. Bg5 Rc8 37. Rxd6 Rdc7 38. Rxe6 c4 39. Rf6 Qg4 40. Rxg6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.25"]
[Round "6"]
[White "Cox, Jan"]
[Black "Jonker, Fred"]
[Result "0-1"]
[WhiteElo "1962"]
[BlackElo "2154"]
[ECO "C96"]
[Opening "Ruy Lopez"]
[Variation "closed, Keres (...Nd7) defence"]
[WhiteFideId "1031384"]
[BlackFideId "1005260"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. h3
O-O 9. c3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 cxd4 13. cxd4 Nc6 14. d5 Nb4 15.
Bb1 a5 16. a3 Na6 17. b4 axb4 18. axb4 Nb6 19. Qb3 Bb7 20. Bd3 Qd7 21. Nf1 Rfc8
22. Ne3 g6 23. Bd2 Nc7 24. Rec1 Kg7 25. Bc3 h6 26. Ng4 f6 27. Ne3 Na4 28. Bd2
Nb6 29. Kh2 h5 30. Qd1 Rxa1 31. Rxa1 Ra8 32. Rxa8 Bxa8 33. Nh4 Bf8 34. Be2 Kh7
35. g4 g5 36. Nf3 h4 37. Nf5 Kg6 38. Qc1 Be7 39. Kg2 Bd8 40. Bc3 Na4 41. N3xh4+
Kf7 42. Be1 Nxd5 43. Bxb5 Qe6 44. Bxa4 Nf4+ 45. Kh2 gxh4 46. Qc8 Qxc8 47. Nxd6+
Ke6 48. Nxc8 Bxe4 49. Bd2 Ne2 50. Be3 Bc7 51. Na7 Bf3 52. Nb5 Bb8 53. Ba7 Bxa7
54. Nxa7 Nd4 55. Nb5 Kd5 56. Nxd4 exd4 57. Bc2 Kc4 58. b5 d3 59. Bxd3+ Kxd3 60.
b6 Ke2 61. Kg1 Kd3 62. Kh2 Kd4 63. Kg1 Kc5 64. b7 Bxb7 65. f4 Kd4 66. f5 Ke4 67.
Kg2 Kf4+ 68. Kf2 Bd5 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "L'Ami, Erwin"]
[Black "Vovk, Yuri"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2611"]
[BlackElo "2564"]
[ECO "E62"]
[Opening "King's Indian"]
[Variation "fianchetto, Kavalek (Bronstein) variation"]
[WhiteFideId "1007998"]
[BlackFideId "14113171"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 c6 7. O-O Qa5 8. e4 e5
9. h3 Nbd7 10. Re1 exd4 11. Nxd4 Re8 12. Be3 Ne5 13. Bf1 c5 14. Nf3 Nxf3+ 15.
Qxf3 Nd7 16. Bd2 Ne5 17. Qd1 Be6 18. b3 Nxc4 19. bxc4 Bxc3 20. Bxc3 Qxc3 21.
Qxd6 b6 22. Rad1 Qa5 23. Qd2 Qa4 24. Qc3 Rad8 25. Qb3 Qa5 26. f4 Rd4 27. Qb5
Qxb5 28. cxb5 Red8 29. Rxd4 Rxd4 30. a3 Bb3 31. Kf2 Ra4 32. Re3 Rxa3 33. Be2 Kf8
34. g4 Ke7 35. e5 c4 36. Bxc4 Ra2+ 37. Be2 Bd1 38. Kf3 Bxe2+ 39. Rxe2 Ra5 40.
Rc2 Rxb5 41. Rc7+ Ke6 42. Rxa7 Rb3+ 43. Ke4 Rb4+ 44. Kf3 h5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Lenderman, Aleksandr"]
[Black "Turov, Maxim"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2525"]
[BlackElo "2630"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "2021285"]
[BlackFideId "4120086"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d5 6. Bg2 O-O 7. Nf3 Nbd7 8.
Qc2 c5 9. cxd5 Nxd5 10. O-O b6 11. e4 Nb4 12. Qd2 Bb7 13. a3 Nc6 14. b4 Nxd4 15.
Nxd4 cxd4 16. Qxd4 Nf6 17. Qe3 Rc8 18. Ra2 Qc7 19. Rd2 Rfd8 20. f3 Rxd2 21. Nxd2
Qc2 22. Rf2 Qc3 23. Re2 Ba6 24. Re1 Qxe3+ 25. Rxe3 Rc2 26. Bf1 Bxf1 27. Nxf1 g5
28. Rd3 Kf8 29. Rd8+ Kg7 30. Rd3 h5 31. h4 gxh4 32. gxh4 Ra2 33. Ne3 Nh7 34. f4
Nf6 35. e5 Ng4 36. f5 Nxe5 37. fxe6 fxe6 38. Rc3 Kf6 39. Ng2 Kf5 40. Kf1 Ng4 41.
Ne1 e5 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Radulski, Julian"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2556"]
[BlackElo "2566"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "2901595"]
[BlackFideId "2107139"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. h4 h5 6. Nf3 e5 7. Nd5 d6 8. O-O Bg4
9. c3 Bg7 10. Qb3 Qd7 11. Ng5 f6 12. f3 fxg5 13. fxg4 gxh4 14. gxh4 hxg4 15. d3
Rc8 16. Bg5 Nd8 17. Rf2 Ne6 18. Raf1 c4 19. dxc4 Qc6 20. Nb4 Qd7 21. Rf7 Qxf7
22. Rxf7 Kxf7 23. Nd5 Nc5 24. Qd1 Nf6 25. Bxf6 Bxf6 26. Qxg4 Bxh4 27. Bh3 Rce8
28. Qf3+ Kg7 29. b4 Ref8 30. Qe2 Bg3 31. Bf5 gxf5 32. exf5 Bh2+ 33. Kg2 Kf7 34.
bxc5 Rfg8+ 35. Kf1 Bg3 36. Qf3 Rh2 37. cxd6 Rf2+ 38. Qxf2 Bxf2 39. Kxf2 b6 40.
Ke3 Rd8 41. Ke4 Rxd6 42. Kxe5 Rc6 43. Kd4 Rc5 44. Kd3 Ra5 45. Kd4 Rxa2 46. c5
Rd2+ 47. Ke5 bxc5 48. c4 Rc2 49. Nc7 Rxc4 50. Nb5 Rb4 51. Nxa7 c4 52. Nc6 Rb6
53. Nd4 c3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Georgiev, Vladimir"]
[Black "Milov, Leonid"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2559"]
[BlackElo "2515"]
[ECO "D10"]
[Opening "QGD Slav defence"]
[WhiteFideId "2903024"]
[BlackFideId "14101068"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e3 b5 5. a4 b4 6. Ne4 Qd5 7. Ng3 Nf6 8. Be2 e5
9. Nf3 exd4 10. exd4 Bd6 11. Nf1 c3 12. Ne3 Qe6 13. bxc3 bxc3 14. O-O O-O 15.
Ba3 Na6 16. Bc4 Qe7 17. Qc1 Nb4 18. Re1 Qc7 19. a5 Rb8 20. Qxc3 Ne4 21. Qc1 Qxa5
22. d5 Qb6 23. dxc6 Nxc6 24. Bd5 Nc5 25. Nc4 Nd3 26. Nxb6 Nxc1 27. Bxd6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Vovk, Andrey"]
[Black "Nijboer, Friso"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2551"]
[BlackElo "2546"]
[ECO "C92"]
[Opening "Ruy Lopez"]
[Variation "closed, Flohr-Zaitsev system (Lenzerheide variation)"]
[WhiteFideId "14114470"]
[BlackFideId "1000063"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. d5 Nb8 13. Nf1 Nbd7 14. Ng3 Nc5 15.
Nh2 c6 16. dxc6 Bxc6 17. Bg5 Nxb3 18. axb3 h6 19. Bxf6 Qxf6 20. Ng4 Qg5 21. Ne3
g6 22. Nd5 Ra7 23. Re3 h5 24. Rf3 Bg7 25. Qd3 a5 26. Nb4 Bd7 27. Qxd6 Qe7 28.
Qb6 Rea8 29. Rd3 Be8 30. Nd5 Qe6 31. Qe3 Kh7 32. Rad1 Rb7 33. Nf1 f5 34. Qf3 f4
35. h4 Qc8 36. Nh2 b4 37. c4 a4 38. bxa4 Rxa4 39. Qe2 b3 40. Rc3 Qc5 41. Nf3 Kh8
42. Nd2 Ra2 43. Nxb3 Qc8 44. c5 Bb5 45. Qd2 Qg4 46. Rdc1 Bc6 47. Rh3 Kh7 48. Nb4
f3 49. Rxf3 Bh6 50. Qc3 Bxc1 51. Nxc1 Rxb4 52. Qxb4 Bxe4 53. Nxa2 Bxf3 54. Qxg4
Bxg4 55. Nc3 Kg7 56. f3 Be6 57. b4 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Brandenburg, Daan"]
[Black "Neverov, Valeriy"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2538"]
[BlackElo "2500"]
[ECO "C46"]
[Opening "Four knights"]
[Variation "Gunsberg variation"]
[WhiteFideId "1011014"]
[BlackFideId "14100150"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 g6 5. Nxe5 Nxe5 6. d4 Nc6 7. d5 Bg7 8. dxc6
bxc6 9. Bd3 d6 10. h3 O-O 11. O-O Re8 12. Be3 Bb7 13. Qd2 c5 14. Bg5 Qb8 15.
Rfe1 Bc6 16. Rab1 a5 17. Qf4 Nd7 18. Bc4 Ne5 19. Ba2 Qa7 20. Bh6 c4 21. Bxg7
Kxg7 22. Qe3 Qxe3 23. Rxe3 g5 24. Rg3 Kf6 25. b3 Nd7 26. b4 axb4 27. Rxb4 Ne5
28. Bxc4 Rxa3 29. Bd5 Ra1+ 30. Kh2 Bd7 31. Rd4 Rb8 32. Bb3 Be6 33. Nd5+ Bxd5 34.
exd5 Rf1 35. Rc3 Rb7 36. Kg3 Ra7 37. h4 h6 38. f4 gxf4+ 39. Rxf4+ Rxf4 40. Kxf4
h5 41. Re3 Ra1 42. Rc3 Rf1+ 43. Kg3 Kg6 44. Bc4 Nxc4 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Kuipers, Stefan"]
[Black "Timman, Jan H"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2365"]
[BlackElo "2575"]
[ECO "C19"]
[Opening "French"]
[Variation "Winawer, advance, poisoned pawn variation"]
[WhiteFideId "1018400"]
[BlackFideId "1000012"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Nf5 8. Bd3
h5 9. Qf4 Qc7 10. Ne2 Ne7 11. dxc5 Nd7 12. Qg3 Nxc5 13. O-O Bd7 14. Bg5 h4 15.
Qe3 h3 16. g4 Ne4 17. Bxe4 dxe4 18. Bxe7 Kxe7 19. Qxe4 Qc6 20. Qb4+ Ke8 21. f3
Rc8 22. Rab1 b6 23. Qd4 Qc5 24. Kf2 Ke7 25. Rfd1 Qxd4+ 26. Nxd4 Rxc3 27. Rb3 Rc5
28. Re3 Ba4 29. Rd2 g5 30. Kg3 Rd8 31. c3 Rh8 32. f4 gxf4+ 33. Kxf4 Bc6 34.
Nxc6+ Rxc6 35. Rdd3 Rc5 36. Kg3 Ra5 37. Rd4 Rxa3 38. Rf3 Ra2 39. Rc4 Rg2+ 40.
Kf4 Rd2 41. Rc7+ Rd7 42. Rxd7+ Kxd7 43. Ke4 Ke7 44. c4 Rc8 45. Kd4 Rg8 46. Rxh3
Rxg4+ 47. Kd3 Rg8 48. Kd4 Rd8+ 49. Ke4 Rc8 50. Kd4 a6 51. Rb3 Rb8 52. Ra3 Rd8+
53. Kc3 b5 54. c5 Rd5 55. Kb4 Rd4+ 56. Ka5 b4 57. Ra4 Rc4 58. Kb6 f6 59. exf6+
Kxf6 60. c6 Ke5 61. Kc7 Kd5 62. Ra5+ Kd4 63. Rxa6 e5 64. h4 e4 65. Kd7 e3 66. c7
e2 67. Rd6+ Kc3 68. Rc6 Rxc6 69. Kxc6 e1=Q 70. c8=Q b3 71. Kd6+ Kb2 72. Qc4 Qg3+
73. Ke7 Qc3 74. Qe2+ Kc1 75. Qf1+ Kd2 76. Qg2+ Kd1 77. Qg4+ Kc2 78. Qe2+ Qd2 79.
Qc4+ Kb2 80. h5 Qg5+ 81. Kf8 Qh6+ 82. Ke7 Qxh5 83. Qd4+ Kb1 84. Qe4+ Kc1 85.
Qc4+ Kb2 86. Qd4+ Ka3 87. Qa1+ Kb4 88. Qd4+ Kb5 89. Qd3+ Ka4 90. Qd4+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Petrov, Marijan"]
[Black "Vishnu Prasanna. V"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2534"]
[BlackElo "2340"]
[ECO "C55"]
[Opening "Two knights defence (Modern bishop's opening)"]
[WhiteFideId "2901773"]
[BlackFideId "5030692"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. c3 h6 8. Nbd2
Nh7 9. Nf1 Ng5 10. Ne3 Be6 11. Bb5 Bf6 12. Nxg5 Bxg5 13. d4 Ne7 14. g3 c6 15.
Bf1 Qb6 16. b3 Rad8 17. Bg2 Kh7 18. d5 cxd5 19. exd5 Bc8 20. Nc4 Qc5 21. Ba3 Qc7
22. Nxe5 dxe5 23. d6 Qxc3 24. dxe7 Rxd1 25. exf8=N+ Kg8 26. Raxd1 Bg4 27. Bxb7
Bxd1 28. Rxd1 Qc2 29. Rd7 e4 30. Bd5 Qd1+ 31. Kg2 Qf3+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "L'Ami, Alina"]
[Black "Deepan Chakkravarthy J."]
[Result "1/2-1/2"]
[WhiteTitle "WGM"]
[BlackTitle "GM"]
[WhiteElo "2312"]
[BlackElo "2470"]
[ECO "A50"]
[Opening "Kevitz-Trajkovich defence"]
[WhiteFideId "1210246"]
[BlackFideId "5011132"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 4. g3 Bb4+ 5. Bd2 Qe7 6. Nc3 d6 7. d5 Bxc3 8. Bxc3
Nb8 9. Bg2 e5 10. Nd2 O-O 11. O-O a5 12. e4 c6 13. f4 b5 14. fxe5 dxe5 15. Nf3
Ng4 16. Qe2 bxc4 17. h3 Qc5+ 18. Kh1 Ne3 19. Nxe5 Nxf1 20. Rxf1 cxd5 21. exd5
Ra6 22. Qxc4 Qxc4 23. Nxc4 a4 24. Bb4 Rd8 25. Ne5 f6 26. Nc6 Nxc6 27. dxc6 Kf7
28. Re1 Be6 29. c7 Rg8 30. a3 Rb6 31. Kh2 Rc8 32. Rc1 Rb5 33. Bc6 Rxc7 34. Be8+
Kxe8 35. Rxc7 Bd7 36. Kg2 Rd5 37. Rc5 Rd3 38. Rc7 h5 39. Rc5 g5 40. Rc3 Rd2+ 41.
Kg1 Kf7 42. Re3 Rd1+ 43. Kg2 Bc6+ 44. Kf2 Rh1 45. Re7+ Kg6 46. Bc3 Rh2+ 47. Ke1
Bd5 48. Rd7 Be6 49. Ra7 Rxh3 50. Ra6 Rh1+ 51. Kf2 Rf1+ 52. Kxf1 Bc4+ 53. Kf2
Bxa6 54. Ba5 Bb7 55. Bd8 Bc6 56. Be7 Kf7 57. Bd8 Kg7 58. Be7 Kg6 59. Bd8 f5 60.
Bc7 Bb7 61. Bd6 Kf7 62. Be5 Ke6 63. Bc7 Kf7 64. Bd8 Kg6 65. Bc7 h4 66. gxh4 gxh4
67. Ke3 Kg5 68. Bd6 Kg4 69. Bc7 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Arnaudov, G. Petar"]
[Black "Van der Linden, Lucas"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2439"]
[BlackElo "2275"]
[ECO "E06"]
[Opening "Catalan"]
[Variation "closed, 5.Nf3"]
[WhiteFideId "2907127"]
[BlackFideId "1008722"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4
Bd7 9. Rd1 Bc6 10. Nc3 Nbd7 11. e4 b5 12. d5 exd5 13. e5 Ne8 14. Nxd5 Bxd5 15.
Rxd5 c6 16. Rd1 Qc7 17. Bf4 Nc5 18. axb5 cxb5 19. e6 Nd6 20. exf7+ Rxf7 21. Ng5
Bxg5 22. Bxd6 Qa7 23. Bxc5 Qxc5 24. Bxa8 Rxf2 25. Qxf2 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Hendriks, Willy"]
[Black "Beukema, Stefan"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2415"]
[BlackElo "2209"]
[ECO "C53"]
[Opening "Giuoco Piano"]
[WhiteFideId "1000713"]
[BlackFideId "1024523"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Nbd2 d6 7. Bb3 Be6 8. O-O
h6 9. Re1 Ba7 10. Nf1 Qd7 11. Ng3 g5 12. d4 Bg4 13. Be3 Nh5 14. dxe5 Bxe3 15.
Rxe3 Nxg3 16. hxg3 Nxe5 17. Nxe5 dxe5 18. f3 Be6 19. Rd3 Qe7 20. Bxe6 Qxe6 21.
Qa4+ b5 22. Qa5 Rc8 23. Rad1 h5 24. a4 Qc6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Van Der Poel, Henk"]
[Black "Turova, Irina"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2292"]
[BlackElo "2413"]
[ECO "C45"]
[Opening "Scotch"]
[Variation "Mieses variation"]
[WhiteFideId "1002449"]
[BlackFideId "4120876"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8.
c4 Ba6 9. b3 g6 10. f4 Bg7 11. Qf2 Nb6 12. Ba3 Qe6 13. Nd2 d6 14. O-O-O O-O 15.
Ne4 c5 16. Ng5 Qe7 17. Bd3 Nd7 18. exd6 cxd6 19. Rhe1 Qd8 20. Bb2 Nf6 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Wilgenhof, Otto"]
[Black "Odendahl, Reiner"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2210"]
[BlackElo "2375"]
[ECO "A41"]
[Opening "Queen's Pawn"]
[WhiteFideId "1002589"]
[BlackFideId "4613570"]
[EventDate "2011.07.19"]

1. d4 d6 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. Nc3 Na6 8. h3 Qb6
9. Qc2 Bf5 10. e4 Nxe4 11. g4 Nxc3 12. gxf5 Nxa2 13. Rxa2 Nb4 14. Qa4 Nxa2 15.
Qxa2 gxf5 16. Qb1 e6 17. d5 Qb3 18. Nd2 Qb4 19. Qd3 cxd5 20. cxd5 Rac8 21. dxe6
fxe6 22. Qe3 Rf6 23. Nb3 Rg6 24. Kh2 Qh4 25. Bd2 Be5+ 26. f4 Bxb2 27. Bxb7 Rc2
28. Rg1 Kg7 29. Rxg6+ hxg6 30. Bg2 e5 31. Qxa7+ Kh6 32. fxe5+ Rxd2 33. Qe3+ Qg5
34. Qxd2 Qxd2 35. Nxd2 dxe5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Ly, Moulthun"]
[Black "Lommers, Frank"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2369"]
[BlackElo "2176"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Anderssen variation"]
[WhiteFideId "3204405"]
[BlackFideId "1010107"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Bd7 7. Nbd2 g6 8. Nf1
Bg7 9. Ng3 O-O 10. O-O Qe7 11. Re1 Rfe8 12. h3 Nd8 13. Bb3 Qf8 14. d4 Bh6 15.
Ng5 Be6 16. d5 Bd7 17. f4 Qe7 18. Rf1 exf4 19. Bxf4 Ng4 20. Qd2 Ne5 21. Nf3 Bxf4
22. Qxf4 Bb5 23. Rfd1 Nxf3+ 24. Qxf3 Qe5 25. Rd4 b6 26. Nh1 Nb7 27. Nf2 h5 28.
Bc4 Bd7 29. Nd3 Qg7 30. Rf1 Nc5 31. Nf4 Bc8 32. b4 Nd7 33. Qf2 Ne5 34. Be2 a5
35. Bb5 Bd7 36. Bxd7 Nxd7 37. Rc4 axb4 38. Rxc7 Re7 39. cxb4 Qe5 40. Nd3 Qg5 41.
h4 Qg4 42. Ne5 Nxe5 43. Rxe7 Qxe4 44. Qxf7+ Nxf7 45. Rxe4 Ne5 46. Rf6 Rxa2 47.
Rxd6 Ra1+ 48. Kh2 Ng4+ 49. Rxg4 hxg4 50. Rxg6+ Kf7 51. Rxb6 Rd1 52. Kg3 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Timmermans, Mark"]
[Black "Ikeda, Junta"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2183"]
[BlackElo "2349"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[WhiteFideId "1026399"]
[BlackFideId "3204731"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. f4 b5 8. e5 b4
9. Nce2 Nd5 10. O-O Bb7 11. Bd2 d6 12. exd6 Bxd6 13. c4 bxc3 14. bxc3 Nf6 15.
Ng3 Nbd7 16. Qe2 O-O 17. Ne4 Nxe4 18. Bxe4 Bxe4 19. Qxe4 Nf6 20. Qf3 Qc4 21. Nb3
a5 22. Be3 Qxc3 23. Rac1 Qb4 24. Rfd1 Nd5 25. Rd4 Qb5 26. Rdc4 Ba3 27. Nd4 Qa6
28. R1c2 Nb4 29. R2c3 Bb2 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Goudriaan, Etienne"]
[Black "Kollen, Zyon"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2283"]
[BlackElo "2118"]
[ECO "E06"]
[Opening "Catalan"]
[Variation "closed, 5.Nf3"]
[WhiteFideId "1021150"]
[BlackFideId "1024256"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. Qc2 b5 8. b3 bxc4
9. bxc4 Ba6 10. c5 Ne4 11. Re1 Nd7 12. Nfd2 Nxd2 13. Nxd2 e5 14. dxe5 Nxe5 15.
Bb2 Bf6 16. Nb3 Re8 17. Rad1 Nc4 18. Bxf6 Qxf6 19. e4 dxe4 20. Rxe4 Na3 21. Qd2
Nb5 22. Rxe8+ Rxe8 23. Qd7 Rc8 24. Bxc6 Nc3 25. Rd6 Ne2+ 26. Kg2 Nf4+ 27. gxf4
Qh4 28. Bd5 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Zwirs, Nico"]
[Black "Bus, Tom"]
[Result "1-0"]
[WhiteElo "2125"]
[BlackElo "2237"]
[ECO "B67"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7"]
[WhiteFideId "1036432"]
[BlackFideId "1014374"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Bd7 9. f4 h6 10. Bxf6 Qxf6 11. Nxc6 Bxc6 12. Be2 Qd8 13. Kb1 Be7 14. g4
Qa5 15. h4 Bf6 16. Rh3 O-O-O 17. Qe1 Kb8 18. Rhd3 g5 19. fxg5 hxg5 20. Qf2 Rh6
21. h5 Qe5 22. Rf3 Bxe4 23. Re3 d5 24. Bf3 Rhh8 25. Bxe4 dxe4 26. Rf1 Rh6 27.
Qe2 Rd7 28. Rxe4 Qc7 29. Rc4 Qd8 30. a3 Rd2 31. Qe4 Bxc3 32. Rxc3 Rd1+ 33. Rxd1
Qxd1+ 34. Ka2 Qd6 35. Rb3 Qc7 36. Qa4 e5 37. Qe8+ Ka7 38. Rc3 Qd6 39. Qxf7 Rf6
40. Qg7 Qe6+ 41. Rb3 Rf7 42. Qxg5 a5 43. Qg6 Rf6 44. Qe4 Qf7 45. g5 Rf2 46. Qxe5
a4 47. g6 Qc4 48. h6 axb3+ 49. cxb3 Qc1 50. h7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Swinkels, Maurice"]
[Black "Vogel, Jaap"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2102"]
[BlackElo "2221"]
[ECO "C18"]
[Opening "French"]
[Variation "Winawer, advance variation"]
[WhiteFideId "1026305"]
[BlackFideId "1000764"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4
Kf8 9. Nf3 Ne7 10. Kd1 b6 11. h4 h6 12. c4 Nbc6 13. dxc5 bxc5 14. Qf4 Ba6 15.
cxd5 Qxf4 16. Bxf4 Bxf1 17. Rxf1 Nxd5 18. Bd2 Ke7 19. Ke2 Rhd8 20. Rfd1 c4 21.
Rab1 Rab8 22. g3 Rb6 23. Rxb6 axb6 24. Ra1 Ra8 25. g4 Ra4 26. c3 Ra8 27. Kd1 Ra4
28. Kc2 Kd7 29. Kb2 Ra5 30. g5 hxg5 31. hxg5 g6 32. Rh1 Rb5+ 33. Kc2 Rb3 34. Ra1
b5 35. Rb1 Rxb1 36. Kxb1 Kc7 37. Kc2 Kb6 38. Be3+ Ka5 39. Kb2 Ka4 40. Bd2 Nb6
41. Be3 Nd7 42. Bd4 Nxd4 43. cxd4 b4 44. axb4 Kxb4 45. Kc2 c3 46. Ng1 Nb6 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Brown, Andrew"]
[Black "Vos, Tjark"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2202"]
[BlackElo "1842"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "exchange variation"]
[WhiteFideId "3206513"]
[BlackFideId "1020870"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bb5+ c6 8.
Ba4 O-O 9. Ne2 c5 10. O-O Nc6 11. Be3 cxd4 12. cxd4 Qa5 13. Rb1 Rd8 14. h3 a6
15. f4 b5 16. Bb3 Qb6 17. Kh1 Bb7 18. f5 gxf5 19. Bxf7+ Kxf7 20. Qb3+ e6 21.
Rxf5+ Kg8 22. Qxe6+ Kh8 23. Rh5 Qc7 24. Nf4 Bxd4 25. Ng6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Sowray, Peter J"]
[Black "Kampman, Tijmen"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2350"]
[BlackElo "2111"]
[ECO "C10"]
[Opening "French"]
[Variation "Paulsen variation"]
[WhiteFideId "400971"]
[BlackFideId "1009079"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. e5 Nd7 6. Ne2 f6 7. exf6 gxf6 8. Ng3
Nb6 9. Be2 Qe7 10. Nh4 Nd8 11. Bh5+ Nf7 12. O-O Bd7 13. Re1 O-O-O 14. Nhf5 Qe8
15. b3 Kb8 16. Bf4 Bc8 17. a4 Qd7 18. a5 Na8 19. Nh4 Bd6 20. Qd2 Rhg8 21. c4 e5
22. Be3 dxc4 23. bxc4 Bf8 24. d5 Nd6 25. Qa2 f5 26. f4 Bh6 27. Qf2 b6 28. axb6
cxb6 29. fxe5 f4 30. Bxf4 Rdf8 31. Ne2 Bxf4 32. Nxf4 Nxc4 33. Qd4 b5 34. Ne6
Nab6 35. Nxf8 Rxf8 36. e6 Qe7 37. Rf1 Rg8 38. Rf7 Qg5 39. Rfxa7 Bb7 40. Bf3 Ne5
41. Qxb6 Nxf3+ 42. Kh1 Qxd5 43. Ra8# 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Mostertman, Milan"]
[Black "Koffeman, Timo"]
[Result "1-0"]
[WhiteElo "2232"]
[ECO "B46"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[WhiteFideId "1025848"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. O-O Nf6 8. Be3
Ne5 9. Qd2 b5 10. Bf4 d6 11. f3 Nfd7 12. Kh1 Be7 13. a4 Nc4 14. Ndxb5 axb5 15.
Nxb5 Qc5 16. Qc3 e5 17. Qxc4 Qxc4 18. Bxc4 exf4 19. Nc7+ Kd8 20. Nxa8 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Partenheimer, Axel"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[WhiteElo "2206"]
[BlackElo "2097"]
[ECO "E18"]
[Opening "Queen's Indian"]
[Variation "old main line, 7.Nc3"]
[WhiteFideId "4646703"]
[BlackFideId "1039784"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. g3 b6 3. c4 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. d4 c5 8. d5 d6
9. e4 e5 10. Ne1 Nbd7 11. Nd3 Rb8 12. Qe2 Re8 13. a4 Bf8 14. Bd2 a6 15. Bh3 g6
16. Bg5 Bg7 17. f3 Bc8 18. Qd2 Nf8 19. Bxc8 Qxc8 20. Be3 h5 21. Rfc1 a5 22. Nb5
Rd8 23. Na7 Qd7 24. Nc6 Kh7 25. Nxb8 Rxb8 26. b3 Re8 27. Rf1 Qc8 28. Rae1 Re7
29. Nf2 Qe8 30. Nh3 Kg8 31. Nf2 N8h7 32. Nd1 Qd7 33. Nc3 Qe8 34. Nb5 Qd7 35. Qg2
h4 36. Kh1 Nh5 37. Bc1 Bf6 38. f4 hxg3 39. hxg3 Qg4 40. Kh2 exf4 41. gxf4 Qd7
42. Qh3 Qd8 43. Rg1 Kh8 44. Rg2 Re8 45. Rge2 Bh4 46. Rg1 Bf6 47. Kh1 Bg7 48.
Rge1 Bh6 49. Qg4 N7f6 50. Qf3 Nh7 51. Rh2 Bg7 52. Ree2 Kg8 53. Rxh5 gxh5 54.
Qxh5 Nf6 55. Qf5 Nh7 56. Rh2 Nf8 57. Bd2 Qe7 58. Bc3 Ng6 59. Bxg7 Kxg7 60. Nc3
Rh8 61. Rxh8 Kxh8 62. Qg5 Qf8 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Maatman, Nick"]
[Black "Hoogland, Dirk"]
[Result "0-1"]
[BlackTitle "CM"]
[WhiteElo "1994"]
[BlackElo "2181"]
[ECO "E20"]
[Opening "Nimzo-Indian"]
[Variation "Kmoch variation"]
[WhiteFideId "1040391"]
[BlackFideId "1012533"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. cxd5 exd5 7. Qc2 O-O 8. Bg5
c6 9. e3 Nh5 10. Bxe7 Qxe7 11. e4 b5 12. O-O-O a5 13. g4 Nf4 14. Nge2 Nxe2+ 15.
Bxe2 b4 16. Nb1 a4 17. e5 Ba6 18. axb4 Qxb4 19. Na3 Nd7 20. Qd2 Qb6 21. Bxa6
Rxa6 22. f4 c5 23. Kb1 Rb8 24. Qc3 c4 25. Rc1 Qd8 26. Qd2 Rab6 27. Rc3 Rxb2+ 28.
Qxb2 Rxb2+ 29. Kxb2 Qb6+ 30. Kc2 Qxd4 31. Rf1 Qe4+ 32. Kc1 Nc5 33. Nc2 Qe2 34.
Rd1 Nb3+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Hachijan, Armen"]
[Black "Smagin, Nikita"]
[Result "1/2-1/2"]
[WhiteElo "2165"]
[BlackElo "1977"]
[ECO "B07"]
[Opening "Pirc defence"]
[WhiteFideId "1028081"]
[BlackFideId "24149039"]
[EventDate "2011.07.19"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 b5 6. Bd3 e5 7. dxe5 dxe5 8. Nf3
Nbd7 9. O-O Bb7 10. Ne2 Bg7 11. c4 a6 12. a4 O-O 13. Qc2 b4 14. c5 a5 15. Nd2
Qe7 16. Nc1 Nh5 17. g3 Bc8 18. Kg2 Nb8 19. Nc4 Be6 20. Nd6 Qd7 21. Rh1 f5 22.
Bd2 f4 23. Be2 fxg3 24. fxg3 Na6 25. Be3 Nf6 26. Nb3 Nc7 27. Rad1 Qe7 28. Nd2
Nce8 29. N2c4 Nxd6 30. cxd6 Qe8 31. Nxe5 Bxh3+ 32. Rxh3 Qxe5 33. Bf4 Qxe4+ 34.
Qxe4 Nxe4 35. Bc4+ Kh8 36. Rxh7+ Kxh7 37. Rh1+ Bh6 38. Bxh6 Rf2+ 39. Kg1 Nxg3
40. Rh3 Nh5 41. Kxf2 Kxh6 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Von Meijenfeldt, Bart"]
[Black "Vereggen, Lars"]
[Result "1/2-1/2"]
[WhiteElo "2154"]
[BlackElo "2036"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1032259"]
[BlackFideId "1029258"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 e6 3. f4 Ne7 4. Nf3 d5 5. Bb5+ Bd7 6. Qe2 d4 7. Bxd7+ Nxd7 8.
Nd1 Nc6 9. O-O Be7 10. d3 e5 11. Nf2 h5 12. Nh3 Bd6 13. Bd2 Qc7 14. Nh4 Ne7 15.
f5 Nf6 16. Bg5 Nc6 17. c3 O-O-O 18. Nf3 Kb8 19. Rfc1 Qb6 20. Kh1 Rc8 21. Rc2
Rhe8 22. Nd2 Ng4 23. Nf2 Nxf2+ 24. Qxf2 Qc7 25. Rac1 Qd7 26. Nb3 a6 27. Qe2 g6
28. Rf1 Be7 29. Bxe7 Qxe7 30. Qf3 dxc3 31. Rxc3 Nd4 32. Nxd4 cxd4 33. Rcc1 Qg5
34. Rb1 Rc2 35. fxg6 fxg6 36. h3 Ka7 37. Rf2 Rec8 38. Rbf1 Rc1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Oudshoorn, Arres"]
[Black "Wroblowski, Oliver"]
[Result "1-0"]
[WhiteElo "2007"]
[BlackElo "2191"]
[ECO "B00"]
[Opening "Owen defence"]
[WhiteFideId "1036203"]
[BlackFideId "24698679"]
[EventDate "2011.07.19"]

1. e4 b6 2. Nc3 Bb7 3. d4 e6 4. Bd3 g6 5. Be3 Bg7 6. Qd2 Nc6 7. Nce2 Qe7 8. c3
h6 9. h3 Nf6 10. f4 d5 11. e5 Nd7 12. Nf3 Na5 13. b4 Nc4 14. Bxc4 dxc4 15. O-O
b5 16. a4 bxa4 17. Rxa4 Nb6 18. Ra2 Bd5 19. Qc2 O-O 20. Ng3 Rfb8 21. Nd2 Qe8 22.
Rfa1 Rb7 23. Nge4 Nd7 24. Ra5 Bf8 25. Qd1 Be7 26. Qf1 Nb6 27. Nc5 Qc6 28. Kh2
Rbb8 29. g4 f5 30. exf6 Bxf6 31. Rxa7 Rxa7 32. Rxa7 g5 33. Qb1 Kg7 34. Nde4 Rf8
35. b5 Bxe4 36. Qxe4 Qxe4 37. Rxc7+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Jonker, Fred"]
[Black "Beerdsen, Thomas"]
[Result "1/2-1/2"]
[WhiteElo "2154"]
[BlackElo "2009"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1005260"]
[BlackFideId "1030108"]
[EventDate "2011.07.19"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf3 Bg7 6. Nbd2 cxd4 7. Bc4 Qd8 8.
Qb3 e6 9. cxd4 Ne7 10. O-O O-O 11. Ne4 Nbc6 12. Bg5 h6 13. Bf6 Qc7 14. Bxg7 Kxg7
15. Qc3 Nd5 16. Bxd5 exd5 17. Nc5 Re8 18. Rfe1 Bf5 19. Ne5 Rac8 20. Rac1 Nxe5
21. dxe5 Kh7 22. Qe3 Qe7 23. f4 b6 24. Nb3 Be4 25. Nd4 Rc5 26. Rc3 Rec8 27. Rec1
Qd7 28. h3 Rxc3 29. Rxc3 Rc5 30. b4 Rc7 31. Qd2 Qc8 32. Rxc7 Qxc7 33. e6 fxe6
34. Nxe6 Qe7 35. Nd4 Qh4 36. Qf2 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Van Mierlo, Guido"]
[Black "Offringa, Joost"]
[Result "0-1"]
[WhiteElo "2097"]
[BlackElo "2085"]
[ECO "C50"]
[Opening "Giuoco Pianissimo"]
[WhiteFideId "1032453"]
[BlackFideId "1025880"]
[EventDate "2011.07.19"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. d3 Bc5 5. O-O d6 6. c3 Bg4 7. Nbd2 Qd7 8. Re1
O-O 9. Bb3 Ne7 10. Nf1 Ng6 11. h3 Be6 12. Bc2 d5 13. exd5 Qxd5 14. b4 Be7 15. d4
Qc6 16. Nxe5 Qxc3 17. Nxg6 hxg6 18. Bg5 Bxb4 19. Re3 Qc6 20. Bxf6 gxf6 21. Rb1
Ba5 22. Ng3 f5 23. Nxf5 Bxf5 24. Bxf5 Bb6 25. Rg3 Qf6 26. Be4 c6 27. Qb3 Kg7 28.
Rd1 Rad8 29. Rf3 Qe6 30. Qxe6 fxe6 31. Rb3 Rf4 32. f3 Rf7 33. Rbd3 Rfd7 34. Kf1
g5 35. Ke2 Kf6 36. Rf1 Rxd4 37. Rxd4 Rxd4 38. Bc2 Ba5 39. Rd1 Rxd1 40. Bxd1 Ke5
41. g3 Kd4 42. Bb3 e5 43. h4 gxh4 44. gxh4 Bd8 45. h5 Bg5 46. Be6 c5 47. Kd1 Kc3
48. a4 b6 49. Bc8 Kb3 50. Bd7 c4 51. Be6 a6 52. Bc8 c3 53. Be6+ Kb2 54. Bf5 b5
55. Bc2 b4 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Viergever, Max"]
[Black "Bakker, Guido"]
[Result "1/2-1/2"]
[WhiteElo "2123"]
[BlackElo "2088"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1019058"]
[BlackFideId "1027875"]
[EventDate "2011.07.19"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. Nc3 dxe4 6. Bc4 Nf6 7. Qb3 e6 8. d5
exd5 9. Nxd5 Nxd5 10. Bxd5 Qe7 11. Qc3 Qb4 12. Bd2 Qxc3 13. Bxc3 Rg8 14. Bxe4
Na6 15. Nf3 Nc5 16. Bc2 Be7 17. O-O-O Bg4 18. Rhe1 Rd8 19. Bf6 Rxd1+ 20. Kxd1
Ne6 21. Be5 Bc5 22. Ke2 Ke7 23. Be4 Bd4 24. Kf1 Bxf3 25. Bxd4 Nxd4 26. Bxf3+ Ne6 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Vosselman, Jan"]
[Black "Merza, Morris"]
[Result "1/2-1/2"]
[WhiteElo "2112"]
[BlackElo "2145"]
[ECO "D02"]
[Opening "Queen's bishop game"]
[WhiteFideId "1002422"]
[BlackFideId "1027140"]
[EventDate "2011.07.19"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c6 4. e3 Qb6 5. b3 Bg4 6. Be2 e6 7. O-O Nbd7 8. h3
Bh5 9. c4 dxc4 10. bxc4 Be7 11. Nc3 Bg6 12. Nh4 Ne4 13. Na4 Qa5 14. Nxg6 hxg6
15. f3 Nd2 16. Rf2 e5 17. Bg3 exd4 18. Bd3 dxe3 19. Re2 Qg5 20. Kh2 Rxh3+ 21.
gxh3 Nxf3+ 22. Kg2 Nh4+ 23. Kh2 Nf3+ 24. Kg2 Nh4+ 25. Kh2 Nf3+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.26"]
[Round "7"]
[White "Van Meegen, Ruud"]
[Black "Cox, Jan"]
[Result "1/2-1/2"]
[WhiteElo "1947"]
[BlackElo "1962"]
[ECO "A00"]
[Opening "Dunst (Sleipner, Heinrichsen) opening"]
[WhiteFideId "1034995"]
[BlackFideId "1031384"]
[EventDate "2011.07.19"]

1. Nc3 Nf6 2. f4 d5 3. d4 e6 4. Nf3 c5 5. e3 Nc6 6. Be2 Be7 7. O-O O-O 8. Qe1 a6
9. Nd1 Nb4 10. Bd3 c4 11. Bd2 cxd3 12. Bxb4 dxc2 13. Nf2 Bd7 14. Bxe7 Qxe7 15.
Qd2 Rfc8 16. Rfc1 Ne8 17. Ne1 Nd6 18. b3 f6 19. Nxc2 Be8 20. Nb4 Bg6 21. Rxc8+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Turov, Maxim"]
[Black "Vovk, Yuri"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2630"]
[BlackElo "2564"]
[ECO "E67"]
[Opening "King's Indian"]
[Variation "fianchetto, classical variation"]
[WhiteFideId "4120086"]
[BlackFideId "14113171"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e3 c6
9. a4 a5 10. b3 Re8 11. Ba3 exd4 12. exd4 Nb6 13. Re1 Rxe1+ 14. Qxe1 Bf5 15. Qd2 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Georgiev, Vladimir"]
[Black "L'Ami, Erwin"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2559"]
[BlackElo "2611"]
[ECO "D91"]
[Opening "Gruenfeld"]
[Variation "5.Bg5"]
[WhiteFideId "2903024"]
[BlackFideId "1007998"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. Bh4 Nxc3 7. bxc3 dxc4 8.
Qa4+ c6 9. Qxc4 Qa5 10. e3 Be6 11. Qb4 Qxb4 12. cxb4 Nd7 13. a3 Bd5 14. Be2 e5
15. O-O O-O 16. dxe5 Nxe5 17. Nd4 a5 18. Rac1 Rfc8 19. Rfd1 axb4 20. axb4 Ra4
21. f4 Nd7 22. Bg4 f5 23. Nxf5 gxf5 24. Bxf5 Rca8 25. e4 Bxe4 26. Bxe4 Rxb4 27.
Bxh7+ Kxh7 28. Rxd7 Rxf4 29. Bg3 Rb4 30. Be5 Rg8 31. Rf1 Kg6 32. Rd6+ Kh5 33.
Bxg7 Rxg7 34. h3 Rb2 35. Rf2 Rxf2 36. Kxf2 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Fier, Alexandr"]
[Black "Vovk, Andrey"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2566"]
[BlackElo "2551"]
[ECO "C82"]
[Opening "Ruy Lopez"]
[Variation "open, Motzko attack"]
[WhiteFideId "2107139"]
[BlackFideId "14114470"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
Be6 9. c3 Bc5 10. Qd3 O-O 11. Be3 Bxe3 12. Qxe3 f6 13. Rd1 Bf7 14. Nbd2 Qe8 15.
Nxe4 dxe4 16. Qxe4 Nxe5 17. Nxe5 Bxb3 18. axb3 fxe5 19. b4 Rd8 20. Rxd8 Qxd8 21.
Qxe5 Qd2 22. f3 Qxb2 23. Rxa6 Qc1+ 24. Kf2 Qd2+ 25. Kg3 h6 26. h3 Rd8 27. Re6
Rd6 28. Rxd6 cxd6 29. Qxb5 d5 30. Qb8+ Kh7 31. Qe5 Qd3 32. h4 Kg8 33. h5 Qb5 34.
Qd6 Kh7 35. Qc5 Qd7 36. c4 dxc4 37. Qxc4 Qd2 38. Qf4 Qb2 39. Qf5+ Kh8 40. b5 Qd4
41. Qe6 Qd8 42. Kh3 Qa5 43. Qc6 Kh7 44. Qg6+ Kh8 45. b6 Qb5 46. f4 Qb3+ 47. Kh2
Qb5 48. Qe6 Qxh5+ 49. Kg3 g5 50. Qe5+ Kh7 51. fxg5 Qd1 52. Qe7+ Kg8 53. Qe6+ Kf8
54. b7 Qd3+ 55. Kh2 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Milov, Leonid"]
[Black "Radulski, Julian"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2515"]
[BlackElo "2556"]
[ECO "C76"]
[Opening "Ruy Lopez"]
[Variation "modern Steinitz defence, fianchetto (Bronstein) variation"]
[WhiteFideId "14101068"]
[BlackFideId "2901595"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. c3 d6 6. d4 Bd7 7. Bb3 Bg7 8. dxe5
dxe5 9. Bg5 Nf6 10. Nbd2 h6 11. Bh4 Qe7 12. O-O g5 13. Bg3 O-O-O 14. Qc2 Nh5 15.
Rfe1 Nxg3 16. fxg3 h5 17. Nc4 h4 18. Ne3 hxg3 19. hxg3 Bf8 20. Bd5 g4 21. Nh4
Rxh4 22. gxh4 Qxh4 23. g3 Qxg3+ 24. Qg2 Qf4 25. b4 Bxb4 26. Bxc6 Bc5 27. Bxd7+
Rxd7 28. Qe2 f5 29. Qf2 Qxf2+ 30. Kxf2 f4 31. Rad1 Bxe3+ 32. Ke2 Bc5 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Nijboer, Friso"]
[Black "Arnaudov, G. Petar"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2546"]
[BlackElo "2439"]
[ECO "C70"]
[Opening "Ruy Lopez"]
[Variation "Cozio defence deferred"]
[WhiteFideId "1000063"]
[BlackFideId "2907127"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. c3 g6 6. d4 exd4 7. cxd4 b5 8. Bc2
d5 9. O-O Bg7 10. exd5 Nxd5 11. Bg5 Qd6 12. Re1+ Be6 13. Nc3 Nxc3 14. bxc3 O-O
15. Nd2 Bd5 16. Ne4 Bxe4 17. Bxe4 Rab8 18. a4 Nd8 19. axb5 axb5 20. Bh4 b4 21.
Bg3 Qb6 22. Qd3 Ne6 23. Reb1 Qb5 24. Qxb5 Rxb5 25. Ra4 b3 26. Bd3 Rb7 27. Bc4 b2
28. Ra2 Rfb8 29. Kf1 Bh6 30. Bd5 Rb5 31. Bc4 R5b7 32. Bd5 Rb5 33. Bxe6 fxe6 34.
Bxc7 Rc8 35. Ra7 Rb3 36. c4 Bg7 37. c5 Bxd4 38. Ra4 e5 39. Bd6 Kf7 40. Ke2 Ke6
41. f4 Bxc5 42. Bxe5 Bb4 43. Kd1 Ba3 44. Rxa3 Rc1+ 45. Ke2 Rxa3 46. Rxb2 g5 47.
Kf2 Kd5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Hendriks, Willy"]
[Black "Brandenburg, Daan"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2415"]
[BlackElo "2538"]
[ECO "C02"]
[Opening "French"]
[Variation "advance, Paulsen attack"]
[WhiteFideId "1000713"]
[BlackFideId "1011014"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nh6 7. Bd3 Bd7 8. dxc5
Bxc5 9. O-O Ng4 10. Qe2 Qc7 11. b4 Be7 12. Bf4 f6 13. exf6 Qxf4 14. fxe7 e5 15.
h3 e4 16. hxg4 Bxg4 17. Bxe4 dxe4 18. Qd2 Qxd2 19. Nfxd2 e3 20. fxe3 Kxe7 21.
Rf4 h5 22. Nb3 g5 23. Re4+ Kf6 24. Nd4 Rhe8 25. Nd2 Ne5 26. c4 Rad8 27. c5 a6
28. Rc1 Bd7 29. Rc3 Re7 30. Nc4 Nxc4 31. Rxe7 Kxe7 32. Rxc4 Kf6 33. Nf3 Bc6 34.
Rd4 Rd5 35. Kf2 h4 36. Rxd5 Bxd5 37. a4 Bc6 38. a5 Bd5 39. Nd4 g4 40. b5 axb5
41. Nxb5 Bc6 42. Nd4 Bd5 43. Nc2 Ke5 44. Nb4 Be4 45. Kg1 Ke6 46. Kh2 Kd7 47. g3
h3 48. Kg1 Kc7 49. Kh2 Kd7 50. Kg1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Neverov, Valeriy"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2500"]
[BlackElo "2525"]
[ECO "D15"]
[Opening "QGD Slav"]
[Variation "4.Nc3"]
[WhiteFideId "14100150"]
[BlackFideId "2021285"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 g6 6. h3 Bg7 7. Bf4 O-O 8. e3 Bf5
9. Be2 Nbd7 10. O-O Ne4 11. g4 Be6 12. Qc2 f5 13. g5 Bf7 14. b4 e5 15. dxe5 Qe7
16. Rac1 Rfe8 17. Rfd1 Nxe5 18. Bxe5 Bxe5 19. Nxe5 Qxg5+ 20. Bg4 fxg4 21. Nxg4
h5 22. f4 Qh4 23. Nh6+ Kg7 24. Nxe4 Rxe4 25. Nxf7 Kxf7 26. Rd3 Rae8 27. Qd2 Qg3+
28. Qg2 Qxg2+ 29. Kxg2 Rxe3 30. Rd4 Re2+ 31. Kg3 R8e3+ 32. Kh4 Kf6 33. Rh1 Rxa2 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Deepan Chakkravarthy J."]
[Black "Ly, Moulthun"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2470"]
[BlackElo "2369"]
[ECO "E63"]
[Opening "King's Indian"]
[Variation "fianchetto, Panno variation"]
[WhiteFideId "5011132"]
[BlackFideId "3204405"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. h3 Bd7
9. e4 e5 10. Be3 exd4 11. Nxd4 Re8 12. Qc2 Qc8 13. Nxc6 bxc6 14. Kh2 Rb8 15.
Rae1 Re5 16. g4 h5 17. g5 Nh7 18. f4 Re8 19. b3 c5 20. Bc1 a5 21. Nd5 a4 22. Bb2
axb3 23. axb3 Bxb2 24. Qxb2 Be6 25. Ne3 Bd7 26. Nd5 Be6 27. e5 c6 28. Nc3 Bxc4
29. Ne4 Bxf1 30. Nxd6 Qe6 31. Bxf1 Rxb3 32. Qg2 Rb4 33. Nxe8 Qxe8 34. Re4 Nf8
35. Bc4 Ne6 36. Qd2 Qb8 37. Kg3 Nd4 38. Qa2 Rb2 39. Bxf7+ Kg7 40. Qc4 h4+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Timman, Jan H"]
[Black "L'Ami, Alina"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "WGM"]
[WhiteElo "2575"]
[BlackElo "2312"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "1000012"]
[BlackFideId "1210246"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 e5 7. dxe5 Ng4 8. h3
Nxe5 9. Nxe5 dxe5 10. Qxd8 Rxd8 11. Nd2 f5 12. O-O-O e4 13. Nxe4 Re8 14. Nc5 c6
15. h4 Bf8 16. Nd3 Rxe2 17. h5 g5 18. Ne5 Be6 19. Rd8 Nd7 20. Rxa8 Nxe5 21. Kd1
Rxf2 22. Bxe5 Kf7 23. Rxf8+ Kxf8 24. Rg1 f4 25. Be4 Bg4+ 26. Kc1 f3 27. h6 Re2
28. Bg7+ Kf7 29. Bd3 Rh2 30. Rf1 c5 31. Bxh7 f2 32. Kd2 Bh3 33. Ke2 Bxf1+ 34.
Kxf1 b6 35. Be4 Kg8 36. Bd5+ Kh7 37. Bg2 g4 38. Kxf2 Kg6 39. a4 Kf7 40. Kg1 Rh5
41. Bf1 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Goudriaan, Etienne"]
[Black "Petrov, Marijan"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2283"]
[BlackElo "2534"]
[ECO "B06"]
[Opening "Robatsch defence"]
[WhiteFideId "1021150"]
[BlackFideId "2901773"]
[EventDate "2011.07.19"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. h3 d5 5. e5 Nh6 6. Bf4 f6 7. Qd2 Nf7 8. Nf3 O-O
9. O-O-O b5 10. Kb1 Na6 11. g4 Nc7 12. exf6 exf6 13. Bg2 Nd6 14. Bxd6 Qxd6 15.
Ne2 b4 16. Qf4 Nb5 17. Qxd6 Nxd6 18. Nf4 Ne4 19. Nd3 a5 20. Rhf1 Ba6 21. Nd2 f5
22. gxf5 Nxd2+ 23. Rxd2 Rxf5 24. c3 bxc3 25. bxc3 Rb8+ 26. Kc2 Bc4 27. Ra1 Bh6
28. Re2 a4 29. Rae1 Rff8 30. Bh1 Bxa2 31. Nb4 Bb3+ 32. Kb1 Bc4 33. Re6 Bd2 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Turova, Irina"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2413"]
[BlackElo "2210"]
[ECO "E67"]
[Opening "King's Indian"]
[Variation "fianchetto, classical variation"]
[WhiteFideId "4120876"]
[BlackFideId "1002589"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nbd7 7. O-O e5 8. e3
Re8 9. a4 exd4 10. exd4 d5 11. c5 c6 12. Bf4 Ne4 13. a5 f5 14. Qb3 Ndf6 15. Ne5
g5 16. a6 Qe7 17. Be3 bxa6 18. Nxc6 Qc7 19. Nxe4 Nxe4 20. Nb4 Qf7 21. f3 Nf6 22.
Bxg5 Rb8 23. Qc3 Qb7 24. Nd3 Bd7 25. Ne5 Qxb2 26. Qxb2 Rxb2 27. Bxf6 Bxf6 28. f4
Bb5 29. Rf2 Rb4 30. Rd2 Kg7 31. Bf1 Bxf1 32. Kxf1 Re6 33. Kf2 Bd8 34. Ke3 a5 35.
Rda2 Bc7 36. Kd3 h5 37. Kc3 Ra6 38. Ra4 Rb8 39. Re1 Re6 40. Re2 Rb5 41. Raa2 Rh6
42. Nf3 Bd8 43. Re5 Ra6 44. Ra4 Rb1 45. Rxd5 Bf6 46. Rxf5 Rf1 47. Ne5 h4 48.
gxh4 Bxh4 49. Kc4 Bd8 50. Rf7+ Kg8 51. Rd7 Bf6 52. Nd3 Re6 53. Rxa5 a6 54. Kd5
Re3 55. Rxa6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Odendahl, Reiner"]
[Black "Van Der Poel, Henk"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2375"]
[BlackElo "2292"]
[ECO "A15"]
[Opening "English opening"]
[WhiteFideId "4613570"]
[BlackFideId "1002449"]
[EventDate "2011.07.19"]

1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. Nc3 d5
9. Nxd5 Nxd5 10. Bxg7 Kxg7 11. cxd5 Qxd5 12. d4 cxd4 13. Qxd4+ Qxd4 14. Nxd4
Bxg2 15. Kxg2 Rc8 16. Rfc1 Nd7 17. Nb5 a5 18. Rd1 Nc5 19. Kf1 Kf8 20. Rac1 Rd8
21. Nc7 Rxd1+ 22. Rxd1 Rc8 23. Nd5 Nd7 24. Ne3 Ke8 25. Ke1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Vogel, Jaap"]
[Black "Kuipers, Stefan"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2221"]
[BlackElo "2365"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "1000764"]
[BlackFideId "1018400"]
[EventDate "2011.07.19"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bg4 5. Be2 e6 6. Nbd2 Nbd7 7. O-O Bd6 8. b3
O-O 9. Bb2 Qe7 10. Ne5 Bxe2 11. Qxe2 Ba3 12. Ndf3 a5 13. c5 Bxb2 14. Qxb2 Nxe5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Ikeda, Junta"]
[Black "Brown, Andrew"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2349"]
[BlackElo "2202"]
[ECO "B30"]
[Opening "Sicilian defence"]
[WhiteFideId "3204731"]
[BlackFideId "3206513"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 g6 5. d3 h6 6. O-O Bg7 7. a3 d6 8. b4 Nge7
9. Be3 Nd4 10. Nd2 O-O 11. Nd5 b5 12. Ba2 Bb7 13. c3 Bxd5 14. exd5 Ndf5 15. bxc5
Nxe3 16. fxe3 dxc5 17. Qf3 Kh8 18. Ne4 Rc8 19. Ng3 f5 20. e4 f4 21. Nh1 c4 22.
dxc4 bxc4 23. Nf2 Rc5 24. Rfd1 Nc8 25. d6 Nxd6 26. Qg4 Qf6 27. Qd7 Nb5 28. Rac1
f3 29. g3 Qa6 30. Qe7 Rc7 31. Qb4 Qxa3 32. Qxa3 Nxa3 33. Rd5 Rb8 34. Nd1 h5 35.
Ra5 Bh6 36. Ra1 Nc2 37. Rb1 Rxb1 38. Bxb1 Ne3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Vishnu Prasanna. V"]
[Black "Zwirs, Nico"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2340"]
[BlackElo "2125"]
[ECO "B50"]
[Opening "Sicilian"]
[WhiteFideId "5030692"]
[BlackFideId "1036432"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 4. c3 Nf6 5. d3 Bg4 6. Qb3 e6 7. Qxb7 Rc8 8. Bb5
Qd7 9. Qxd7+ Kxd7 10. Nbd2 Rb8 11. Ba4 Kc7 12. a3 d5 13. Bxc6 Kxc6 14. Ne5+ Kc7
15. Nxf7 Rg8 16. Nf1 Kc8 17. Ng3 dxe4 18. dxe4 e5 19. Nxe5 Be6 20. Nf3 Bc4 21.
Nd2 Bd3 22. c4 g6 23. a4 Bh6 24. f3 Rd8 25. Ngf1 Nd7 26. Kf2 Bxf1 27. Nxf1 Bxc1
28. Rxc1 Rxb2+ 29. Kg3 Nf6 30. Rg1 Rd3 31. Kf4 h6 32. h4 Nh5+ 33. Kg4 Nf6+ 34.
Kf4 Nh5+ 35. Kg4 Nf6+ 36. Kh3 Nxe4 37. Re1 Nf6 38. Ng3 g5 39. Nf5 g4+ 40. Kg3
gxf3 41. gxf3 Nh5+ 42. Kg4 Nf6+ 43. Kf4 Rc2 44. Ne3 Rd4+ 45. Kf5 Rf2 46. Kxf6
Rxf3+ 47. Ke5 Rxh4 48. Rg8+ Kb7 49. Rb1+ Kc6 50. Rg6+ Kd7 51. Rg7+ Kc6 52. Nd5
Rh5+ 53. Ke6 Rxd5 54. cxd5# 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Hoogland, Dirk"]
[Black "Sowray, Peter J"]
[Result "1/2-1/2"]
[WhiteTitle "CM"]
[BlackTitle "FM"]
[WhiteElo "2181"]
[BlackElo "2350"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1012533"]
[BlackFideId "400971"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 Nc6 5. d3 d5 6. e5 Nh6 7. g3 Nf5 8. Bg2 Be7
9. O-O h5 10. Bd2 Bd7 11. Rb1 Qb6 12. Na4 Qc7 13. b3 b5 14. Nb2 b4 15. Bh3 g6
16. Qe1 Ncd4 17. c3 Nxf3+ 18. Rxf3 Bc6 19. cxb4 cxb4 20. Rc1 Qb6+ 21. Kf1 Kd7
22. Rf2 Bc5 23. Re2 Rhc8 24. Bxf5 gxf5 25. Be3 Bxe3 26. Rxe3 Bb5 27. Re2 Qd4 28.
Nc4 a5 29. Rd1 Rc6 30. Red2 Ke7 31. Nd6 Ba6 32. Kg2 Rc3 33. Qe2 Rh8 34. Qf3 h4
35. h3 Rh6 36. g4 fxg4 37. hxg4 h3+ 38. Kg3 h2 39. g5 Qg1+ 40. Qg2 h1=N+ 41. Kg4
Qxg2+ 42. Rxg2 Rh8 43. f5 Bxd3 44. f6+ Kf8 45. Rdd2 Ng3 46. Rxg3 Bf5+ 47. Nxf5
exf5+ 48. Kxf5 Rxg3 49. Rxd5 Ke8 50. e6 fxe6+ 51. Kxe6 Re3+ 52. Kf5 Rh2 53. Rxa5
Kf8 54. Kg6 Re8 55. Ra7 Rb8 56. a3 bxa3 57. Rxa3 Rb2 58. Ra7 R2xb3 59. Rh7 Kg8
60. Rg7+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Van der Linden, Lucas"]
[Black "Mostertman, Milan"]
[Result "1/2-1/2"]
[WhiteElo "2275"]
[BlackElo "2232"]
[ECO "E47"]
[Opening "Nimzo-Indian"]
[Variation "4.e3 O-O, 5.Bd3"]
[WhiteFideId "1008722"]
[BlackFideId "1025848"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d6 7. O-O Nc6 8. Qc2
Bxc3 9. Qxc3 e5 10. dxe5 dxe5 11. Nd2 Be6 12. b3 Qa5 13. Qxa5 Nxa5 14. Ne4 Nxe4
15. Bxe4 Rfd8 16. Bb2 f5 17. Bc2 Nc6 18. g3 a6 19. Rfd1 b5 20. g4 fxg4 21. Be4
Rac8 22. cxb5 axb5 23. Rxd8+ Nxd8 24. a4 c4 25. axb5 cxb3 26. b6 Rb8 27. Bxe5 b2
28. Rd1 Rxb6 29. Rxd8+ Kf7 30. Rd1 Bb3 31. Bc7 Re6 32. Rd7+ Ke8 33. Rd8+ Ke7 34.
Rb8 Rxe4 35. Rxb3 Rc4 36. Rxb2 Rxc7 37. Rb4 h5 38. Kg2 Kf6 39. Kg3 g5 40. Rb6+
Kf5 41. Rb5+ Kf6 42. Rb6+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Beukema, Stefan"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[WhiteElo "2209"]
[BlackElo "2007"]
[ECO "B27"]
[Opening "Sicilian"]
[Variation "Hungarian variation"]
[WhiteFideId "1024523"]
[BlackFideId "1036203"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Ng8 8.
Bc4 d5 9. exd6 Qxd6 10. Qf3 Nf6 11. Bf4 Bg4 12. Qe3 Qb4 13. Be5 Bg7 14. Qf4 Qb7
15. Ne4 O-O 16. O-O Bf5 17. Nxf6+ exf6 18. Bc3 Rfe8 19. Rfe1 Qd7 20. h4 h5 21.
Bb3 Rad8 22. Rad1 Rxe1+ 23. Rxe1 Re8 24. Rxe8+ Qxe8 25. Qd6 Qd7 26. Qxd7 Bxd7
27. Kf1 g5 28. Bd4 a6 29. g3 Be6 30. Bxe6 fxe6 31. b4 Kf7 32. a4 Bf8 33. Bc3
gxh4 34. gxh4 e5 35. Kg2 Ke6 36. Be1 Kd5 37. Kf3 f5 38. Ke2 Kc4 39. c3 e4 40. f3
Bg7 41. fxe4 fxe4 42. b5 cxb5 43. axb5 axb5 44. Ke3 Bxc3 45. Bg3 Kd5 46. Bc7 Bf6
47. Bg3 b4 48. Kd2 b3 49. Bf2 Kc4 50. Bg3 Kb4 51. Kc1 Kc3 52. Kb1 Kd3 53. Bf2
Ke2 54. Bg3 e3 55. Bf4 Kf3 56. Bh6 e2 57. Bc1 Kf2 58. Bd2 e1=Q+ 59. Bxe1+ Kxe1 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Lommers, Frank"]
[Black "Partenheimer, Axel"]
[Result "1-0"]
[WhiteElo "2176"]
[BlackElo "2206"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "Grand Prix attack"]
[WhiteFideId "1010107"]
[BlackFideId "4646703"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. O-O a6 7. Bc4 b5 8. Bd5
Rb8 9. d3 e6 10. Bb3 Ne7 11. Nxd4 cxd4 12. Ne2 f5 13. Qe1 Bb7 14. e5 Nc6 15. Qf2
Qb6 16. c3 Bf8 17. Nxd4 Nxd4 18. Be3 Bc6 19. Bxd4 Qb7 20. Rad1 Be7 21. Rd2 Rg8
22. Bc5 g5 23. Bxe7 Kxe7 24. fxg5 Rxg5 25. Qh4 Rg8 26. Rxf5 exf5 27. Bxg8 h6 28.
g3 Qb6+ 29. d4 Bb7 30. Bb3 b4 31. c4 Ke8 32. Qf4 Kd8 33. Qf2 Qg6 34. d5 f4 35.
Qxf4 Qb1+ 36. Rd1 Qxb2 37. e6 Re5 38. Qf8+ Kc7 39. Qc5+ Bc6 40. Qa7+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Van Foreest, Jorden"]
[Black "Bus, Tom"]
[Result "1-0"]
[WhiteElo "2097"]
[BlackElo "2237"]
[ECO "B65"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4"]
[WhiteFideId "1039784"]
[BlackFideId "1014374"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5 11. Bc4 Bd7 12. Rd3 Bc6 13. Rg3 Kh8 14. Kb1 b5
15. e5 dxe5 16. fxe5 Ng8 17. Qg4 Bxg5 18. Qxg5 g6 19. Bd3 b4 20. Ne4 Bd5 21. b3
Bxe4 22. Bxe4 Rac8 23. h4 Rc5 24. h5 Rc7 25. hxg6 fxg6 26. Bxg6 Rg7 27. Rgh3 Nf6
28. Qf4 Rxg6 29. exf6 Rf7 30. Rh6 Rxg2 31. Qe4 Qg5 32. Rxh7+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Kollen, Zyon"]
[Black "Timmermans, Mark"]
[Result "1/2-1/2"]
[WhiteElo "2118"]
[BlackElo "2183"]
[ECO "C58"]
[Opening "Two knights defence"]
[WhiteFideId "1024256"]
[BlackFideId "1026399"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ Bd7 7. Qe2 Be7 8.
Nc3 O-O 9. O-O Bxb5 10. Qxb5 c6 11. dxc6 Nxc6 12. Qe2 Nd4 13. Qd1 Nd5 14. Nf3
Nb4 15. Nxd4 exd4 16. a3 Nc6 17. Ne2 d3 18. cxd3 Qxd3 19. Nf4 Qd7 20. d3 Bf6 21.
Rb1 Rfd8 22. Be3 Be5 23. b4 a6 24. Rb3 Bxf4 25. Bxf4 Nd4 26. Rb1 Ne6 27. Be3
Qxd3 28. Bb6 Rd6 29. Qxd3 Rxd3 30. a4 Kf8 31. f4 f5 32. Rbc1 Kf7 33. g3 g6 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Offringa, Joost"]
[Black "Hachijan, Armen"]
[Result "1-0"]
[WhiteElo "2085"]
[BlackElo "2165"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1025880"]
[BlackFideId "1028081"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bg7 6. O-O Bd7 7. Bxc6 Bxc6 8. d3
Qd7 9. Qe1 Nh6 10. h3 f5 11. Ng5 fxe4 12. dxe4 O-O 13. Qh4 b5 14. Nd1 e5 15. Nf2
exf4 16. c3 Rf6 17. Bxf4 Bf8 18. Nf3 Nf7 19. Qxf6 Be7 20. Ng4 Kf8 21. Bh6+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Smagin, Nikita"]
[Black "Von Meijenfeldt, Bart"]
[Result "1/2-1/2"]
[WhiteElo "1977"]
[BlackElo "2154"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "24149039"]
[BlackFideId "1032259"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bc4 Nf6 6. d3 O-O 7. O-O Nc6 8. Qe1
Nd4 9. Nxd4 cxd4 10. Nd5 Nxd5 11. Bxd5 e6 12. Bb3 d5 13. exd5 exd5 14. Bd2 Bf5
15. Qf2 Qd7 16. Qf3 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Vereggen, Lars"]
[Black "Swinkels, Maurice"]
[Result "1/2-1/2"]
[WhiteElo "2036"]
[BlackElo "2102"]
[ECO "D23"]
[Opening "QGA"]
[Variation "Mannheim variation"]
[WhiteFideId "1029258"]
[BlackFideId "1026305"]
[EventDate "2011.07.19"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Qa4+ Bd7 5. Qxc4 e6 6. Qc2 c5 7. dxc5 Na6 8.
Nc3 Bxc5 9. e3 Nb4 10. Qb3 O-O 11. Be2 b6 12. O-O Bc6 13. Rd1 Qc7 14. Bd2 Nbd5
15. Rac1 Nxc3 16. Bxc3 Ng4 17. h3 Bxf3 18. Bxf3 Qh2+ 19. Kf1 Nxe3+ 20. fxe3 Bxe3
21. Ke2 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Jonker, Fred"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[WhiteElo "2154"]
[BlackElo "1842"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "Tartakower (fantasy) variation"]
[WhiteFideId "1005260"]
[BlackFideId "1020870"]
[EventDate "2011.07.19"]

1. e4 c6 2. d4 d5 3. f3 e6 4. g3 Nd7 5. Bg2 Ne7 6. Ne2 c5 7. c3 Qb6 8. O-O Nc6
9. exd5 exd5 10. Nf4 Nf6 11. Re1+ Be7 12. c4 Nxd4 13. Nc3 Be6 14. Nfxd5 Bxd5 15.
cxd5 Qd8 16. Qa4+ Kf8 17. f4 Qd7 18. Qxd7 Nxd7 19. Rb1 Nf6 20. Rd1 Rd8 21. Kf1
b5 22. a3 a6 23. h3 h5 24. Be3 Nf5 25. Bf2 Rh6 26. Be4 Nd6 27. Bf3 Rg6 28. Rd2
Nf5 29. Ne2 Bd6 30. b3 Re8 31. Rc1 Ne3+ 32. Kg1 Nexd5 33. Bxc5 Bxc5+ 34. Rxc5
Ne7 35. Rd6 Nfg8 36. Rxg6 fxg6 37. Rc7 Rd8 38. Ra7 Rd3 39. Kf2 Rxb3 40. Rxa6 Nf6
41. Nd4 Rb2+ 42. Be2 Nf5 43. Ra8+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Kampman, Tijmen"]
[Black "Maatman, Nick"]
[Result "1-0"]
[WhiteElo "2111"]
[BlackElo "1994"]
[ECO "A11"]
[Opening "English"]
[Variation "Caro-Kann defensive system"]
[WhiteFideId "1009079"]
[BlackFideId "1040391"]
[EventDate "2011.07.19"]

1. c4 c6 2. g3 d5 3. Bg2 Nf6 4. b3 e6 5. Bb2 Nbd7 6. Nf3 Be7 7. O-O O-O 8. d4 b6
9. Nbd2 Bb7 10. Qc2 Rc8 11. Rac1 c5 12. cxd5 cxd4 13. Qb1 Nxd5 14. Nxd4 Rxc1 15.
Rxc1 Qa8 16. e4 N5f6 17. a3 Rc8 18. Rd1 Nc5 19. f3 Ba6 20. Ba1 h5 21. b4 Ncd7
22. Qb3 Nf8 23. Bh3 h4 24. Nf1 Bc4 25. Qb2 Qb8 26. Kg2 N8h7 27. Ne3 Ng5 28. b5
Rc5 29. Nc6 Qc7 30. a4 Nxh3 31. Kxh3 hxg3 32. hxg3 Nh5 33. f4 Bf6 34. e5 Be7 35.
Nxc4 Rxc4 36. Qe2 Nxf4+ 37. gxf4 Rxf4 38. Rd4 Rxd4 39. Bxd4 Qd7 40. Qe4 Bg5 41.
Kg3 Be7 42. Kf3 Bg5 43. Ke2 Kh8 44. Be3 Be7 45. Qd4 Qc7 46. a5 bxa5 47. Qxa7
Qxa7 48. Bxa7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Bakker, Guido"]
[Black "Koffeman, Timo"]
[Result "1-0"]
[WhiteElo "2088"]
[ECO "C47"]
[Opening "Four knights"]
[Variation "Scotch, 4...exd4"]
[WhiteFideId "1027875"]
[EventDate "2011.07.19"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8.
O-O Bxc3 9. bxc3 Qe7 10. Re1 d6 11. Bg5 Qe5 12. Qd2 Re8 13. h3 Rb8 14. f4 Qc5+
15. Kh2 Nd7 16. Re3 Nf8 17. Bh4 Be6 18. Bf2 Qa5 19. Rg3 f5 20. exf5 Bxf5 21. Rg5
g6 22. Bxf5 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Beerdsen, Thomas"]
[Black "Van Mierlo, Guido"]
[Result "1/2-1/2"]
[WhiteElo "2009"]
[BlackElo "2097"]
[ECO "B19"]
[Opening "Caro-Kann"]
[Variation "classical, Spassky variation"]
[WhiteFideId "1030108"]
[BlackFideId "1032453"]
[EventDate "2011.07.19"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5
Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Qc7 12. O-O-O Ngf6 13. Ne4 Nxe4 14. Qxe4
O-O-O 15. Kb1 Bd6 16. c4 c5 17. Be3 cxd4 18. Qxd4 Be5 19. Qxa7 Bf4 20. Rd2 Bxe3
21. Qxe3 Nf6 22. Nd4 Qa5 23. Rd3 Qg5 24. Qh3 Qg4 25. Qxg4 Nxg4 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Merza, Morris"]
[Black "Viergever, Max"]
[Result "0-1"]
[WhiteElo "2145"]
[BlackElo "2123"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1027140"]
[BlackFideId "1019058"]
[EventDate "2011.07.19"]

1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. Be3 c4 6. b3 cxb3 7. axb3 Nf6 8. Nf3
Bg4 9. Be2 Bd6 10. Nbd2 O-O 11. h3 Bh5 12. O-O Qc7 13. Rc1 Nc6 14. Re1 Rfe8 15.
b4 Bf4 16. Nf1 Ne4 17. Qb3 Rad8 18. c4 dxc4 19. Rxc4 Bxe3 20. fxe3 Qd6 21. Rd1
Ng3 22. Nxg3 Qxg3 23. Rc5 Nxd4 24. Rxd4 Bxf3 25. Bxf3 Rxd4 26. Qc3 Rd7 27. Qa3
h6 28. Rc1 Rde7 29. Qxa7 Rxe3 30. Rf1 Re1 31. Qf2 Qxf2+ 32. Kxf2 Rxf1+ 33. Kxf1
b6 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Wroblowski, Oliver"]
[Black "Cox, Jan"]
[Result "0-1"]
[WhiteElo "2191"]
[BlackElo "1962"]
[ECO "E77"]
[Opening "King's Indian"]
[Variation "Four pawns attack"]
[WhiteFideId "24698679"]
[BlackFideId "1031384"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5
9. cxd5 Bg4 10. O-O Nbd7 11. Nd2 Bxe2 12. Qxe2 Re8 13. Qf3 a6 14. a4 Qe7 15. Re1
b5 16. axb5 axb5 17. Rxa8 Rxa8 18. Nxb5 Nxd5 19. e5 N7b6 20. Nxd6 Rd8 21. Qe4
Nxf4 22. Nb3 Ne6 23. Rf1 f5 24. exf6 Bxf6 25. Qf3 Rf8 26. Qg3 Nd4 27. Kh1 Be5
28. Rxf8+ Qxf8 29. Qd3 Qxd6 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.27"]
[Round "8"]
[White "Vosselman, Jan"]
[Black "Van Meegen, Ruud"]
[Result "1/2-1/2"]
[WhiteElo "2112"]
[BlackElo "1947"]
[ECO "E92"]
[Opening "King's Indian"]
[Variation "Petrosian system"]
[WhiteFideId "1002422"]
[BlackFideId "1034995"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nh5 8. h3 Nf4
9. Bf1 f5 10. exf5 gxf5 11. g3 Ng6 12. h4 Bf6 13. h5 Nh8 14. Be3 Qe7 15. Be2 c5
16. Qc2 Nf7 17. O-O-O Na6 18. a3 Kh8 19. Nh4 Bxh4 20. Rxh4 Bd7 21. Rhh1 Rg8 22.
Rhg1 Raf8 23. Qd2 Nc7 24. Bxc5 dxc5 25. d6 Nxd6 26. Qxd6 Qxd6 27. Rxd6 Bc6 28.
Rgd1 Rg7 29. Nd5 Bxd5 30. cxd5 Re7 31. h6 Kg8 32. Bh5 Kh8 33. Kb1 Kg8 34. f3 e4
35. fxe4 fxe4 36. Bg4 e3 37. Re1 Re5 38. Kc2 Rf2+ 39. Kc1 Kf8 40. Rd8+ Kf7 41.
Rd7+ Re7 42. Bh5+ Kf6 43. Rd8 Re5 44. d6 Ne6 45. Re8 Rxh5 46. d7 Rd5 47. Rxe3
Rxd7 48. R8xe6+ 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Fier, Alexandr"]
[Black "Georgiev, Vladimir"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2566"]
[BlackElo "2559"]
[ECO "C78"]
[Opening "Ruy Lopez"]
[Variation "Archangelsk (counterthrust) variation"]
[WhiteFideId "2107139"]
[BlackFideId "2903024"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3
O-O 9. d4 Bb6 10. Be3 d6 11. Nbd2 h6 12. h3 Re8 13. d5 Ne7 14. Bxb6 cxb6 15. Bc2
Ng6 16. Bd3 Nd7 17. Bf1 Rc8 18. a4 bxa4 19. Qxa4 b5 20. Qa3 Nb6 21. Nb3 f5 22.
Na5 Ba8 23. exf5 Nf4 24. Nd2 Bxd5 25. Ne4 Bxe4 26. Rxe4 Qd7 27. Re3 Rf8 28. g3
Nfd5 29. Re2 Qxf5 30. Qxd6 e4 31. Bg2 Rcd8 32. Qa3 e3 33. f4 Qg6 34. Kh2 h5 35.
h4 Qg4 36. Rae1 Nxf4 37. gxf4 Rd2 38. Qb3+ Kh8 39. Nc6 Nc4 40. Nd4 Qxf4+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Ly, Moulthun"]
[Black "Turov, Maxim"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2369"]
[BlackElo "2630"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "3204405"]
[BlackFideId "4120086"]
[EventDate "2011.07.19"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O Nc8 7. b3 Be7 8. c4 O-O
9. Nc3 Nd7 10. cxd5 cxd5 11. Bb2 a6 12. h3 Na7 13. Bd3 Bxd3 14. Qxd3 Nc6 15.
Rfc1 Qa5 16. a3 Rfc8 17. b4 Qd8 18. Na4 Nb6 19. Nxb6 Qxb6 20. Rc2 Qd8 21. Rac1
Na7 22. g3 Rxc2 23. Rxc2 Nc8 24. Nd2 Nb6 25. Kg2 Qd7 26. Nb3 Nc4 27. Nc5 Qb5 28.
Qf3 Bxc5 29. dxc5 a5 30. Qb3 axb4 31. axb4 Ra4 32. Bc3 Na5 33. Qb1 Nc6 34. Qf1
Na7 35. Bd2 Ra6 36. Qb1 Nc6 37. Qf1 Qxf1+ 38. Kxf1 Ra1+ 39. Kg2 Nd4 40. c6 bxc6
41. Rc5 h5 42. Be3 Rd1 43. g4 hxg4 44. hxg4 Kh7 45. f4 Rd3 46. Kf2 Nb3 47. Rxc6
d4 48. Bc1 Rd1 49. Ke2 Rxc1 50. Rxc1 Nxc1+ 51. Kd2 Na2 52. b5 Nb4 53. b6 Kg8 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "L'Ami, Erwin"]
[Black "Lenderman, Aleksandr"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2611"]
[BlackElo "2525"]
[ECO "A41"]
[Opening "Queen's Pawn"]
[WhiteFideId "1007998"]
[BlackFideId "2021285"]
[EventDate "2011.07.19"]

1. d4 d6 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nd7 5. O-O e5 6. c4 Ne7 7. Nc3 O-O 8. e4
exd4 9. Nxd4 Nc6 10. Nde2 a5 11. b3 Nc5 12. Be3 f5 13. exf5 Bxf5 14. Qd5+ Be6
15. Qd2 a4 16. Bd5 Kh8 17. Bxe6 Nxe6 18. f4 axb3 19. axb3 Qf6 20. Rxa8 Rxa8 21.
Nd5 Qf5 22. Rd1 Ra3 23. Qd3 Qxd3 24. Rxd3 Na5 25. Nd4 Bxd4 26. Bxd4+ Kg8 27. Bc3
Kf7 28. Bxa5 Rxa5 29. b4 Ra4 30. Kg2 Kf8 31. Re3 Kf7 32. Rd3 Kf8 33. Re3 Kf7 34.
Rd3 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Vovk, Yuri"]
[Black "Radulski, Julian"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2564"]
[BlackElo "2556"]
[ECO "D37"]
[Opening "QGD"]
[Variation "classical variation (5.Bf4)"]
[WhiteFideId "14113171"]
[BlackFideId "2901595"]
[EventDate "2011.07.19"]

1. d4 d5 2. c4 e6 3. Nf3 Be7 4. Nc3 Nf6 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. a3
Nc6 9. Qc2 Re8 10. Rd1 e5 11. Bg5 d4 12. Bxf6 Qxf6 13. Nd5 Qh6 14. e4 Rb8 15. b4
Bf8 16. c5 Bg4 17. Bc4 Rbc8 18. Qd3 Kh8 19. h3 Be6 20. O-O f6 21. Nd2 g5 22. g4
Qg7 23. Rb1 Qf7 24. Rfc1 Red8 25. Nf1 Ne7 26. Nxe7 Bxc4 27. Rxc4 Bxe7 28. Ng3
Rc6 29. Nf5 Rdc8 30. Rbc1 Bf8 31. R4c2 h5 32. gxh5 Qxh5 33. Kg2 R6c7 34. f3 Rh7
35. Rh1 Qe8 36. Qc4 Rd8 37. Kg3 a6 38. Rch2 Rh4 39. Nxh4 gxh4+ 40. Kf2 Bh6 41.
Rg2 d3 42. Rd1 d2 43. Rg4 Bg5 44. Qb3 Rd4 45. a4 Qg8 46. Qxg8+ Kxg8 47. b5 axb5
48. axb5 Kf7 49. Rgg1 Rc4 50. c6 bxc6 51. b6 Rc2 52. f4 Bxf4 53. Kf3 Rc3+ 54.
Ke2 Re3+ 55. Kxd2 Rb3+ 56. Kc2 Rxb6 57. Rd7+ Kf8 58. Ra1 Rb8 59. Raa7 Bg5 60.
Rdc7 Be3 61. Rf7+ Kg8 62. Rg7+ Kh8 63. Rh7+ Kg8 64. Rag7+ Kf8 65. Rc7 Kg8 66.
Rxh4 Rb4 67. Rhh7 Bb6 68. Rcg7+ Kf8 69. Rb7 Kg8 70. Rhe7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Arnaudov, G. Petar"]
[Black "Timman, Jan H"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2439"]
[BlackElo "2575"]
[ECO "A35"]
[Opening "English"]
[Variation "symmetrical, four knights system"]
[WhiteFideId "2907127"]
[BlackFideId "1000012"]
[EventDate "2011.07.19"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. O-O e5 8. a3
f6 9. e3 Be7 10. d4 cxd4 11. exd4 exd4 12. Ne2 Ne6 13. b4 d3 14. Nf4 Nxf4 15.
Bxf4 Be6 16. Re1 Bf7 17. Re3 O-O 18. Rxd3 Qb6 19. Be3 Qb5 20. Nd4 Nxd4 21. Rxd4
Rfd8 22. a4 Qe8 23. Bxb7 Rab8 24. Bd5 a6 25. Bxf7+ Qxf7 26. Rxd8+ Rxd8 27. Qe2
Qe6 28. b5 Bc5 29. bxa6 Bxe3 30. Qxe3 Qxe3 31. fxe3 Ra8 32. Kf2 Rxa6 33. Ke2 Kf7
34. Kd3 Ke6 35. Kc4 Kd7 36. Kb5 Re6 37. a5 Kc7 38. a6 Kb8 39. Rd1 Re5+ 40. Kc6
Rxe3 41. Rd8+ Ka7 42. Rd7+ Kxa6 43. Rxg7 h5 44. Rh7 Re5 45. Rh6 Ka7 46. Kd6 Kb7
47. Rxf6 Re2 48. h4 Re3 49. Rg6 Kc8 50. Rg8+ Kb7 51. Rg5 Kc8 52. Kd5 Kd7 53. Kd4
Ra3 54. Ke4 Ke6 55. Kf4 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Vovk, Andrey"]
[Black "Hendriks, Willy"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2551"]
[BlackElo "2415"]
[ECO "B07"]
[Opening "Pirc defence"]
[WhiteFideId "14114470"]
[BlackFideId "1000713"]
[EventDate "2011.07.19"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 c6 6. h3 O-O 7. Nf3 Nbd7 8. Bd3
e5 9. O-O Re8 10. Rfe1 exd4 11. Nxd4 Nc5 12. Bh6 Bxh6 13. Qxh6 Qb6 14. Nb3 Nxd3
15. cxd3 Be6 16. Nd2 Qxb2 17. Rac1 d5 18. Nf3 Nd7 19. e5 Nf8 20. Ne2 Re7 21. Nf4
Rae8 22. Qg5 Kh8 23. h4 Bc8 24. h5 Re6 25. Nxe6 Nxe6 26. Qf6+ Kg8 27. Ng5 Nxg5
28. Qxg5 Qa3 29. d4 Qe7 30. Qf4 g5 31. Qd2 Kh8 32. f3 g4 33. Qf4 Rg8 34. Rf1 g3
35. Rc3 Be6 36. Rb1 Bc8 37. Re3 Qe6 38. Qf6+ Qxf6 39. exf6 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Brown, Andrew"]
[Black "Nijboer, Friso"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2202"]
[BlackElo "2546"]
[ECO "A41"]
[Opening "Old Indian defence"]
[WhiteFideId "3206513"]
[BlackFideId "1000063"]
[EventDate "2011.07.19"]

1. d4 d6 2. c4 e5 3. e3 Nd7 4. Nf3 Ngf6 5. b3 c6 6. Bb2 e4 7. Nfd2 d5 8. Be2 Bd6
9. Nc3 O-O 10. g4 b6 11. Qc2 Bb7 12. O-O-O Qe7 13. Nf1 Qe6 14. h3 Ne8 15. f3
exf3 16. Bxf3 Nc7 17. Kb1 f5 18. Rg1 Qg6 19. Ne2 fxg4 20. Qxg6 hxg6 21. Bxg4 Nf6
22. Bf3 Bc8 23. Ka1 Bxh3 24. Nf4 Bxf4 25. exf4 Ne6 26. Ba3 Rf7 27. Bd6 Ne4 28.
Ng3 Nxd6 29. cxd5 Rxf4 30. Bh1 cxd5 31. Bxd5 Rd8 32. Rde1 Rf6 33. Rh1 Nf7 34.
Bc4 b5 35. Bxb5 Nxd4 36. Ne4 Nc2+ 37. Kb2 Nxe1 38. Nxf6+ gxf6 39. Rxh3 Ne5 40.
Rh1 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Brandenburg, Daan"]
[Black "Vishnu Prasanna. V"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2538"]
[BlackElo "2340"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1011014"]
[BlackFideId "5030692"]
[EventDate "2011.07.19"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. Bc4 b6 6. O-O Bb7 7. d4 Be7 8. Qe2 O-O
9. dxc5 bxc5 10. Rd1 Qc8 11. Na3 f5 12. exf6 Rxf6 13. Bxd5 Bxd5 14. Rxd5 exd5
15. Qxe7 d6 16. Qe2 Nd7 17. Bg5 Rf7 18. Qe6 Ne5 19. Qxd5 Nxf3+ 20. gxf3 Qb7 21.
Rd1 Rb8 22. Nc4 Qxd5 23. Rxd5 Rxf3 24. Rxd6 h5 25. Kg2 Rf5 26. h4 Re8 27. Rd7
Re4 28. b3 a6 29. Ne3 Rf7 30. Rd5 Rc7 31. Rd6 a5 32. Kf3 Re8 33. Ra6 Rf7+ 34.
Kg3 Ref8 35. f4 Rd7 36. Kf3 Rd3 37. c4 Re8 38. f5 Re5 39. Bf4 Re8 40. Rxa5 Rc8
41. Ra7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Petrov, Marijan"]
[Black "Turova, Irina"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2534"]
[BlackElo "2413"]
[ECO "C50"]
[Opening "Giuoco Piano"]
[WhiteFideId "2901773"]
[BlackFideId "4120876"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O d6 5. d3 Nf6 6. a3 a6 7. b4 Bb6 8. Be3
Bxe3 9. fxe3 O-O 10. Nc3 Be6 11. Nd5 Bxd5 12. exd5 Ne7 13. e4 Ng6 14. Qd2 h6 15.
a4 Nd7 16. a5 f5 17. exf5 Rxf5 18. g3 Nf6 19. Qg2 Qd7 20. Nd2 Rf8 21. Ne4 Ng4
22. Rxf5 Qxf5 23. Re1 h5 24. h3 Nf6 25. Rf1 Qd7 26. Ng5 Ne7 27. Ne6 Re8 28. g4
Nfxd5 29. Ng5 c6 30. Qe4 g6 31. Qf3 Nc8 32. Bxd5+ cxd5 33. Qxd5+ Kh8 34. Rf7 Re7
35. Rf8+ Kg7 36. Qg8+ Kh6 37. Qh8+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Van Der Poel, Henk"]
[Black "Milov, Leonid"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2292"]
[BlackElo "2515"]
[ECO "B49"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[WhiteFideId "1002449"]
[BlackFideId "14101068"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 b5 8. Nxc6
Qxc6 9. e5 Bb7 10. Bf3 Qc7 11. O-O Bxf3 12. Qxf3 Rc8 13. Rad1 Ne7 14. Ne4 Ng6
15. Nd6+ Bxd6 16. exd6 Qc6 17. Qh5 O-O 18. c3 Qc4 19. a3 e5 20. Qf5 Qe6 21. Qxe6
fxe6 22. Rfe1 Rc4 23. f3 e4 24. fxe4 Rxe4 25. Bf2 Rxe1+ 26. Bxe1 e5 27. Bg3 Kf7
28. Kf2 Ke6+ 29. Ke3 Rc8 30. Rd3 Rc6 31. Rd1 a5 32. h3 a4 33. Bh2 Rxd6 34. Rf1
Rc6 35. g4 Rc4 36. Rf5 h6 37. Bg3 d6 38. Rf1 Ne7 39. Rf8 Rc8 40. Rf1 Nd5+ 41.
Kd3 g5 42. Rf5 Nf6 43. Rf1 Rc4 44. Rf5 Nh5 45. Bh2 Nf4+ 46. Bxf4 Rxf4 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Neverov, Valeriy"]
[Black "Vogel, Jaap"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2500"]
[BlackElo "2221"]
[ECO "A40"]
[Opening "Queen's pawn"]
[WhiteFideId "14100150"]
[BlackFideId "1000764"]
[EventDate "2011.07.19"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. O-O Bd6 6. c4 O-O 7. c5 Be7 8. b4 b6
9. Bb2 a5 10. a3 axb4 11. axb4 Rxa1 12. Bxa1 c6 13. Nbd2 Ne4 14. Nxe4 fxe4 15.
Ne5 Bf6 16. Ng4 Ba6 17. Re1 Nd7 18. f3 Bg5 19. h4 h5 20. hxg5 Qxg5 21. Nh2 Qxg3
22. Rf1 e3 23. Bc3 Bb5 24. Kh1 Ra8 25. Be1 Qf4 26. Rg1 bxc5 27. Bh3 Qf6 28. bxc5
Ra2 29. Qb1 Rxe2 30. Bf1 e5 31. Bxe2 Bxe2 32. Rg2 Bxf3 33. Nxf3 Qxf3 34. Qg6 Qf7
35. Qxf7+ Kxf7 36. Bc3 Nf6 37. Kg1 Ne4 38. Ba1 Nd2 39. Bc3 Nf3+ 40. Kf1 exd4 41.
Ke2 Nh4 42. Rh2 Nf5 43. Be1 g6 44. Kd3 Kf6 45. Ba5 Nh6 46. Kxd4 Kf5 47. Rh1 Ng4
48. Rf1+ Ke6 49. Bd8 Kd7 50. Bh4 Nh6 51. Bg5 Nf5+ 52. Kd3 d4 53. Bf6 e2 54. Re1
Ke6 55. Bxd4 Kd5 56. Bf2 g5 57. Rh1 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Oudshoorn, Arres"]
[Black "Odendahl, Reiner"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2007"]
[BlackElo "2375"]
[ECO "B56"]
[Opening "Sicilian"]
[WhiteFideId "1036203"]
[BlackFideId "4613570"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 e5 7. Nb3 Be7 8. Be2
O-O 9. Bf3 b6 10. O-O Ba6 11. Re1 Rc8 12. a4 Qc7 13. Nd2 Nb4 14. Bg5 h6 15. Bxf6
Bxf6 16. Nf1 Bxf1 17. Rxf1 Qc5 18. g3 a6 19. h4 Rb8 20. Qe2 Rfc8 21. Rfc1 b5 22.
axb5 axb5 23. Bg2 Bd8 24. Bf1 Bb6 25. Ra3 d5 26. exd5 Nxd5 27. Nxb5 e4 28. Nc3
e3 29. f4 Qxa3 30. bxa3 Nxc3 31. Qd3 e2+ 32. Kg2 exf1=Q+ 33. Rxf1 Bd8 34. g4
Bxh4 35. Rh1 Bf6 36. g5 Rd8 37. Qf5 Rd5 38. Qg4 Bxg5 39. Qg3 Ne2 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Kuipers, Stefan"]
[Black "Lommers, Frank"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2365"]
[BlackElo "2176"]
[ECO "C69"]
[Opening "Ruy Lopez"]
[Variation "exchange variation, 5.O-O"]
[WhiteFideId "1018400"]
[BlackFideId "1010107"]
[EventDate "2011.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qf6 6. d4 exd4 7. Bg5 Qd6 8.
Nxd4 Be7 9. Bxe7 Nxe7 10. Nc3 O-O 11. Nde2 Be6 12. Qxd6 cxd6 13. Rfd1 Rad8 14.
Rd2 Nc8 15. Rad1 Rde8 16. f3 f5 17. a4 fxe4 18. Nxe4 Bf5 19. N2g3 Bg6 20. c4 a5
21. Nxd6 Nxd6 22. Rxd6 Bc2 23. R1d2 Bxa4 24. R6d3 b5 25. Ra3 Re1+ 26. Kf2 Rd1
27. Rxd1 Bxd1 28. cxb5 cxb5 29. Rxa5 Ba4 30. Ra7 Rc8 31. Re7 Kf8 32. Re4 Kf7 33.
Rb4 Rc2+ 34. Ne2 Ke6 35. b3 Rb2 36. Re4+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Mostertman, Milan"]
[Black "Deepan Chakkravarthy J."]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2232"]
[BlackElo "2470"]
[ECO "B84"]
[Opening "Sicilian"]
[Variation "Scheveningen (Paulsen), classical variation"]
[WhiteFideId "1025848"]
[BlackFideId "5011132"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. Be3
O-O 9. f4 Nc6 10. Qe1 Nxd4 11. Bxd4 b5 12. Bf3 Bb7 13. e5 dxe5 14. Bxe5 Qb6+ 15.
Kh1 Bxf3 16. Rxf3 Ng4 17. Rg3 f5 18. h3 Nxe5 19. Qxe5 Bf6 20. Qe3 Bd4 21. Qe2
Rae8 22. Rd1 e5 23. fxe5 Rxe5 24. Qd2 Be3 25. Qd7 Bh6 26. Rgd3 Qf2 27. Qd4 Qxd4
28. Rxd4 Rfe8 29. Rd8 Rxd8 30. Rxd8+ Kf7 31. Rd7+ Ke8 32. Ra7 b4 33. Na4 Re1+
34. Kh2 Bf4+ 35. g3 Re2+ 36. Kh1 Bxg3 37. Rxg7 f4 38. c4 h5 39. Rg5 h4 40. Rf5
Ke7 41. Nc5 Rxb2 42. Nd3 Rd2 43. Nxb4 Ke6 44. Rf8 Ke5 45. Nc6+ Ke4 46. Re8+ Kf3
47. Ne5+ Kf2 48. Ng4+ Kf1 49. Rf8 Rxa2 50. c5 Ra1 51. Re8 Rc1 52. Re5 a5 53. c6
a4 54. Re4 a3 55. Rc4 Rxc4 56. Ne3+ fxe3 57. c7 Rc2 58. c8=Q Rh2# 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Sowray, Peter J"]
[Black "Van Foreest, Jorden"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2350"]
[BlackElo "2097"]
[ECO "A11"]
[Opening "English"]
[Variation "Caro-Kann defensive system"]
[WhiteFideId "400971"]
[BlackFideId "1039784"]
[EventDate "2011.07.19"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Bg4 5. h3 Bh5 6. cxd5 Nxd5 7. Be2 e6 8. O-O
Be7 9. d4 O-O 10. e4 Nxc3 11. bxc3 Bg6 12. Bd3 c5 13. Rb1 b6 14. Be3 Nc6 15. Qa4
Qc7 16. Rfd1 Rfd8 17. Rbc1 Rd7 18. Bb5 Bxe4 19. Nd2 Bd5 20. dxc5 a6 21. c4 Qc8
22. cxd5 axb5 23. Qxb5 Rxd5 24. Nc4 Rxd1+ 25. Rxd1 bxc5 26. Nb6 Qa6 27. Qxc6 Rb8
28. Nd5 Qa7 29. Nxe7+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Wilgenhof, Otto"]
[Black "Ikeda, Junta"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2210"]
[BlackElo "2349"]
[ECO "E15"]
[Opening "Queen's Indian"]
[Variation "Nimzovich variation (exaggerated fianchetto)"]
[WhiteFideId "1002589"]
[BlackFideId "3204731"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 O-O 8. Nc3
d5 9. Ne5 c6 10. O-O dxc4 11. Bxc6 Nxc6 12. Nxc6 Qd7 13. Nxe7+ Qxe7 14. Bg5 h6
15. Bxf6 Qxf6 16. b4 Rfd8 17. e3 Bb7 18. f4 a6 19. a4 Qe7 20. b5 axb5 21. axb5
Rxa1 22. Qxa1 Ra8 23. Qb2 Ra3 24. Rc1 Rb3 25. Qe2 Qa3 26. Qe1 Qd6 27. Qd2 Rxc3
28. Rxc3 Qd5 29. Qe2 Qh1+ 30. Kf2 Bd5 31. e4 Bxe4 32. Rxc4 Bf5 33. Ke3 Qg1+ 34.
Kd2 Qb1 35. Kc3 Kh7 36. Rc6 Qc1+ 37. Kb3 Qb1+ 38. Qb2 Qd1+ 39. Ka3 Qe1 40. Qc3
Qe2 41. Rxb6 Be4 42. Rb8 Bd5 43. h4 Kg6 44. Kb4 h5 45. Rc8 Kf6 46. Kc5 Qa2 47.
b6 Qa6 48. Rc7 Qa8 49. Ra7 Qc6+ 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "L'Ami, Alina"]
[Black "Hoogland, Dirk"]
[Result "1-0"]
[WhiteTitle "WGM"]
[BlackTitle "CM"]
[WhiteElo "2312"]
[BlackElo "2181"]
[ECO "E33"]
[Opening "Nimzo-Indian"]
[Variation "classical, 4...Nc6"]
[WhiteFideId "1210246"]
[BlackFideId "1012533"]
[EventDate "2011.07.19"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 O-O 6. Bg5 h6 7. Bd2 d6 8. a3
Bxc3 9. Bxc3 Qe7 10. g3 e5 11. d5 Nb8 12. Bg2 c6 13. Nd2 cxd5 14. cxd5 Bd7 15.
O-O Na6 16. e4 Nc5 17. a4 b5 18. f4 Nxa4 19. fxe5 dxe5 20. Ba5 Rfc8 21. Qb3 Qc5+
22. Kh1 Qc2 23. Qb4 Qxb2 24. Rxa4 Rc2 25. Raa1 Rac8 26. Qxb2 Rxb2 27. Rfb1 Rbc2
28. h3 Nh5 29. Kh2 f5 30. exf5 Nf6 31. Re1 Rb2 32. Reb1 Rbc2 33. g4 e4 34. Re1
Rb2 35. Bxe4 b4 36. Bg2 Rxd2 37. Bxb4 Rd4 38. Ba3 Rc2 39. Red1 Rdd2 40. Rxd2
Rxd2 41. Bb4 Rc2 42. Kg1 Rc4 43. Be7 Ra4 44. Rb1 Kf7 45. Bd8 a5 46. Rb7 Ke8 47.
Rb8 Kf7 48. d6 Rb4 49. Ra8 a4 50. Be7 g5 51. Rf8+ Kg7 52. Rxf6 a3 53. Rg6+ Kf7
54. Bd5+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Zwirs, Nico"]
[Black "Goudriaan, Etienne"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2125"]
[BlackElo "2283"]
[ECO "C11"]
[Opening "French"]
[Variation "Steinitz, Boleslavsky variation"]
[WhiteFideId "1036432"]
[BlackFideId "1021150"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 b6 8. Qd2 Bb7
9. Ne2 cxd4 10. Nexd4 Be7 11. f5 Nxd4 12. Nxd4 O-O 13. fxe6 Nxe5 14. O-O-O Rc8
15. Bd3 Nc4 16. Bxc4 dxc4 17. Nf5 fxe6 18. Qc3 Rxf5 19. Rxd8+ Bxd8 20. Bd4 Bg5+
21. Kb1 Bxg2 22. Rg1 Rcf8 23. a3 Rf1+ 24. Rxf1 Rxf1+ 25. Ka2 Bf6 26. Qg3 Be4 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Offringa, Joost"]
[Black "Van der Linden, Lucas"]
[Result "1/2-1/2"]
[WhiteElo "2085"]
[BlackElo "2275"]
[ECO "B40"]
[Opening "Sicilian defence"]
[WhiteFideId "1025880"]
[BlackFideId "1008722"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 a6 5. c4 Qc7 6. Be2 Nf6 7. Nc3 Nd4 8. O-O
Bd6 9. g3 Nxf3+ 10. Bxf3 Be5 11. Qc2 d6 12. Ne2 Bxb2 13. Qxb2 e5 14. b4 Be6 15.
d3 Nd7 16. Nc3 cxb4 17. Qxb4 O-O 18. a4 Nc5 19. Rfd1 Rfd8 20. a5 Rab8 21. Rab1
g6 22. Be2 Qe7 23. Na4 Nxa4 24. Qxa4 Bd7 25. Qb4 Bc6 26. Qd2 Rf8 27. f3 f5 28.
Rf1 Rf7 29. Bd1 Kh8 30. Bc2 Rbf8 31. d4 fxe4 32. fxe4 Kg8 33. d5 Be8 34. Bd3 Qc7
35. Qb4 Bd7 36. Qb6 Bh3 37. Qxc7 Rxc7 38. Rxf8+ Kxf8 39. Rb6 Ke7 40. c5 Rxc5 41.
Rxb7+ Bd7 42. Bxa6 Rxa5 43. Bf1 Kd8 44. Rb8+ Kc7 45. Rh8 h5 46. Rg8 Kb6 47. Rxg6
Kc5 48. h3 Ba4 49. g4 hxg4 50. hxg4 Bd1 51. Rg8 Ra1 52. Kf2 Ra2+ 53. Kg1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Bakker, Guido"]
[Black "Beukema, Stefan"]
[Result "0-1"]
[WhiteElo "2088"]
[BlackElo "2209"]
[ECO "A15"]
[Opening "English, 1...Nf6 (Anglo-Indian defense)"]
[WhiteFideId "1027875"]
[BlackFideId "1024523"]
[EventDate "2011.07.19"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. a3 Nd7
9. Rb1 Nc5 10. b4 Ne6 11. Nd2 Ne7 12. a4 f5 13. Qc2 c6 14. Ba3 a6 15. Rfc1 Bh6
16. e3 f4 17. Re1 Nf5 18. Nf1 f3 19. Bh1 g5 20. h3 g4 21. hxg4 Nfg7 22. Nh2 Ng5
23. Ne4 N7e6 24. Nd2 Nh3+ 25. Kf1 Neg5 26. Ndxf3 Qf6 27. Bg2 Nxf3 28. Bxf3 Bxg4
29. Kg2 Bxf3+ 30. Kxh3 Qe6+ 31. g4 Bxg4+ 32. Kh4 Qg6 33. Nxg4 Rf3 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Timmermans, Mark"]
[Black "Vereggen, Lars"]
[Result "1/2-1/2"]
[WhiteElo "2183"]
[BlackElo "2036"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "1026399"]
[BlackFideId "1029258"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4
g5 9. Bg3 Bg7 10. h3 Ne5 11. Nf5 Bxf5 12. exf5 Nbc6 13. Nd5 e6 14. fxe6 fxe6 15.
Ne3 O-O 16. Be2 Qe7 17. O-O d5 18. c3 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Von Meijenfeldt, Bart"]
[Black "Kampman, Tijmen"]
[Result "1/2-1/2"]
[WhiteElo "2154"]
[BlackElo "2111"]
[ECO "C10"]
[Opening "French"]
[Variation "Paulsen variation"]
[WhiteFideId "1032259"]
[BlackFideId "1009079"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. e5 f6 5. Nf3 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Vos, Tjark"]
[Black "Kollen, Zyon"]
[Result "1/2-1/2"]
[WhiteElo "1842"]
[BlackElo "2118"]
[ECO "C15"]
[Opening "French"]
[Variation "Winawer (Nimzovich) variation"]
[WhiteFideId "1020870"]
[BlackFideId "1024256"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 c6 6. Ne2 Nf6 7. O-O O-O 8. Bf4
Bg4 9. h3 Bh5 10. Qd2 Bxe2 11. Qxe2 Re8 12. Qf3 Nbd7 13. g4 Bxc3 14. bxc3 Ne4
15. c4 Qf6 16. Qe3 Nd6 17. Qg3 Ne4 18. Bxe4 Rxe4 19. Be3 Nb6 20. c5 Nc4 21. c3
b6 22. Rab1 Qe7 23. Rfe1 h6 24. cxb6 axb6 25. Re2 b5 26. Qf3 Re8 27. Rbe1 f6 28.
Kf1 g5 29. Bc1 Kg7 30. Qd3 f5 31. f3 Rxe2 32. Rxe2 Qxe2+ 33. Qxe2 Rxe2 34. Kxe2
f4 35. h4 Kf6 36. h5 Ke6 37. Kd3 Kd6 38. Kc2 c5 39. Kd3 Kc6 40. Kc2 cxd4 41.
cxd4 b4 42. Kb3 Kb5 43. Kc2 Ka4 44. Bb2 Na3+ 45. Kd3 Nb1 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Swinkels, Maurice"]
[Black "Smagin, Nikita"]
[Result "0-1"]
[WhiteElo "2102"]
[BlackElo "1977"]
[ECO "B09"]
[Opening "Pirc"]
[Variation "Austrian attack, dragon formation"]
[WhiteFideId "1026305"]
[BlackFideId "24149039"]
[EventDate "2011.07.19"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. e5 Nfd7 7. Ng5 cxd4 8. e6
Nc5 9. exf7+ Kf8 10. Nb5 Nc6 11. Nf3 e5 12. c3 dxc3 13. Nxc3 Bf5 14. Be3 Nb4 15.
Kf2 Ncd3+ 16. Bxd3 Nxd3+ 17. Kf1 exf4 18. Bg1 Qa5 19. Nd4 Qa6 20. Qe2 Nxb2 21.
Nxf5 Qxe2+ 22. Nxe2 gxf5 23. Bd4 Nc4 24. Bxg7+ Kxg7 25. Nxf4 Kxf7 26. Rc1 Rac8
27. Kf2 Ne5 28. g3 Rc5 29. Rxc5 dxc5 30. Rd1 Re8 31. h3 b6 32. Rd6 Re7 33. Nh5
Re6 34. Rd8 Nc6 35. Nf4 0-1

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Bus, Tom"]
[Black "Jonker, Fred"]
[Result "1/2-1/2"]
[WhiteElo "2237"]
[BlackElo "2154"]
[ECO "A20"]
[Opening "English opening"]
[WhiteFideId "1014374"]
[BlackFideId "1005260"]
[EventDate "2011.07.19"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Be7 7. d4 exd4 8.
Nxd4 Nxd4 9. Qxd4 Nb4 10. Qxg7 Bf6 11. Qh6 c6 12. Nc3 Be6 13. Rd1 Qe7 14. Ne4
Be5 15. Bg5 Qf8 16. Nf6+ Bxf6 17. Qxf6 Nd5 18. Bxd5 cxd5 19. Bh6 Qg8 20. Bg7 Kd7
21. e4 Qd8 22. Bxh8 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Viergever, Max"]
[Black "Partenheimer, Axel"]
[Result "1/2-1/2"]
[WhiteElo "2123"]
[BlackElo "2206"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1019058"]
[BlackFideId "4646703"]
[EventDate "2011.07.19"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nc6 8. O-O
Be7 9. Qe2 O-O 10. Nc3 Nxc3 11. bxc3 dxe5 12. dxe5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Hachijan, Armen"]
[Black "Beerdsen, Thomas"]
[Result "1-0"]
[WhiteElo "2165"]
[BlackElo "2009"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf"]
[WhiteFideId "1028081"]
[BlackFideId "1030108"]
[EventDate "2011.07.19"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 g6 7. Be3 Bg7 8. Qd2
Nbd7 9. O-O-O b5 10. g4 Ne5 11. Bh6 Bxh6 12. Qxh6 b4 13. Nce2 Qa5 14. Kb1 Bd7
15. Nf4 Nexg4 16. fxg4 Nxg4 17. Qh3 Nf2 18. Qf3 Nxd1 19. Qxd1 O-O 20. h4 Qe5 21.
Qd2 Kg7 22. Rg1 Rg8 23. Rg5 f5 24. exf5 Kh8 25. Bc4 Rg7 26. fxg6 Qf6 27. Nh5 Qf8
28. Nxg7 Qxg7 29. gxh7 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Koffeman, Timo"]
[Black "Vosselman, Jan"]
[Result "1/2-1/2"]
[BlackElo "2112"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[BlackFideId "1002422"]
[EventDate "2011.07.19"]

1. d4 d5 2. Nf3 c6 3. g3 Bf5 4. Bg2 e6 5. O-O Nf6 6. Nbd2 Bd6 7. Nh4 Bg6 8. c4
Nbd7 9. b3 O-O 10. Nxg6 hxg6 11. Bb2 Qe7 12. Qc2 Rad8 13. Rad1 Rfe8 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Cox, Jan"]
[Black "Maatman, Nick"]
[Result "1-0"]
[WhiteElo "1962"]
[BlackElo "1994"]
[ECO "B19"]
[Opening "Caro-Kann"]
[Variation "classical, Spassky variation"]
[WhiteFideId "1031384"]
[BlackFideId "1040391"]
[EventDate "2011.07.19"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5
Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ 12. Bd2 Bb4 13. c3 Be7 14. c4 Qc7 15.
O-O-O Ngf6 16. Kb1 O-O 17. Nf1 e5 18. Ng3 Rfe8 19. dxe5 Nxe5 20. Nxe5 Qxe5 21.
Bc3 Qc7 22. Nf5 Rad8 23. Qf3 Rxd1+ 24. Rxd1 Rd8 25. Re1 Bf8 26. Nxh6+ Kh7 27.
Nf5 Qd7 28. h6 Qd3+ 29. Qxd3 Rxd3 30. hxg7 Bxg7 31. Re7 Rd1+ 32. Kc2 Rf1 33. Bd4
Bh8 34. Rxb7 Ne4 35. Kd3 Bxd4 36. Nxd4 Nd6 37. Rxa7 Rxf2 38. Rd7 Ne8 39. Nxc6
Rxb2 40. Rxf7+ Kg6 41. Re7 Nf6 42. Re2 Rb6 43. Nd4 Kf7 44. c5 Rb8 45. Kc4 Nd7
46. Nc6 Ra8 47. Re7+ 1-0

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Van Mierlo, Guido"]
[Black "Wroblowski, Oliver"]
[Result "1/2-1/2"]
[WhiteElo "2097"]
[BlackElo "2191"]
[ECO "B00"]
[Opening "Owen defence"]
[WhiteFideId "1032453"]
[BlackFideId "24698679"]
[EventDate "2011.07.19"]

1. e4 b6 2. Nc3 Bb7 3. g3 e6 4. Bg2 g6 5. Nge2 Bg7 6. O-O Ne7 7. d3 d6 8. Bg5 h6
9. Be3 O-O 10. h4 h5 11. Bg5 Qd7 12. Bh3 f5 1/2-1/2

[Event "Open NK"]
[Site "Dieren NED"]
[Date "2011.07.28"]
[Round "9"]
[White "Van Meegen, Ruud"]
[Black "Merza, Morris"]
[Result "1/2-1/2"]
[WhiteElo "1947"]
[BlackElo "2145"]
[ECO "C10"]
[Opening "French"]
[Variation "Paulsen variation"]
[WhiteFideId "1034995"]
[BlackFideId "1027140"]
[EventDate "2011.07.19"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. e5 Ne4 6. Bd3 Bb4 7. Bd2 Nxd2 8. Qxd2
f6 9. a3 Be7 10. Ne2 O-O 11. O-O fxe5 12. Nxe5 Nxe5 1/2-1/2

