[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.02"]
[Round "1.1"]
[White "Bai, Jinshi"]
[Black "Steingrimsson, Hedinn"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2593"]
[BlackElo "2558"]
[ECO "E06"]
[Opening "Catalan"]
[Variation "closed, 5.Nf3"]
[WhiteFideId "8602280"]
[BlackFideId "2300117"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. Qc2 c5 7. dxc5 Qa5+ 8. Nc3
dxc4 9. O-O Nc6 10. Bg5 Qxc5 11. Bxf6 Bxf6 12. Ne4 Qe7 13. Nfd2 c3 14. Nxf6+
Qxf6 15. Ne4 Qg6 16. bxc3 Rb8 17. Qa4 e5 18. Rfd1 Bg4 19. Rd2 Qh5 20. Nc5 Bxe2
21. Nxb7 Rxb7 22. Qxc6 Rbb8 23. Re1 Rfc8 24. Rb2 h6 25. Rxb8 Rxb8 26. h3 Bb5 27.
Qc7 Re8 28. c4 Ba6 29. Qc6 Re6 30. Qa8+ Kh7 31. Qxa7 f5 32. Bd5 Rf6 33. Qb8 Qxh3
34. Qg8+ Kg6 35. Qe8+ Kg5 36. Qxe5 h5 37. Qe8 h4 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.02"]
[Round "1.2"]
[White "Baryshpolets, Andrey"]
[Black "Chirila, Ioan-Cristian"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2589"]
[BlackElo "2566"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "exchange variation"]
[WhiteFideId "14117207"]
[BlackFideId "1211668"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Nd7 8.
Nf3 O-O 9. Be2 c5 10. O-O Nb6 11. Qa3 cxd4 12. Nxd4 e5 13. Nb5 Be6 14. Rd1 Qc8
15. Be3 Nc4 16. Bxc4 Qxc4 17. Qb4 Rfd8 18. Nxa7 Qxb4 19. cxb4 Bxa2 20. Bb6 Rxd1+
21. Rxd1 Bf8 22. Rd7 Bxb4 23. Rxb7 Be6 24. h3 Bd6 25. Be3 Rb8 26. Rxb8+ Bxb8 27.
Nc6 Bd6 28. Bd2 Bd7 29. Bb4 Bxc6 30. Bxd6 Bxe4 31. Bxe5 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.02"]
[Round "1.3"]
[White "Kaidanov, Gregory"]
[Black "Kadric, Denis"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2540"]
[BlackElo "2547"]
[ECO "B06"]
[Opening "Robatsch defence"]
[Variation "two knights variation"]
[WhiteFideId "2008564"]
[BlackFideId "14403803"]
[EventDate "2019.03.02"]

1. Nf3 d6 2. d4 g6 3. e4 Bg7 4. Nc3 a6 5. a4 Nf6 6. Be2 O-O 7. O-O Nc6 8. Be3 e5
9. dxe5 dxe5 10. h3 Qe7 11. Nd5 Nxd5 12. exd5 Nd4 13. Nxd4 exd4 14. Bf4 Qc5 15.
c4 dxc3 16. bxc3 Re8 17. Bf3 Qc4 18. Bg3 Bf5 19. d6 c6 20. Ra3 Rad8 21. Qb3 Bd3
22. Qxc4 Bxc4 23. Rb1 Rd7 24. a5 Bf8 25. Ra4 Bb5 26. Rab4 c5 27. Rxb5 axb5 28.
Rxb5 Bxd6 29. Bxd6 Re1+ 30. Kh2 Rxd6 31. Bxb7 Rd2 32. a6 Ra1 33. f4 h5 34. h4
Rd6 35. Rxc5 Kg7 36. f5 Kf6 37. fxg6 fxg6 38. Rc4 Ra5 39. Re4 Rd3 40. Rc4 Rd6
41. Rf4+ Ke5 42. Re4+ Kf5 43. Re7 Kf6 44. Re4 Kf5 45. Re7 Kf6 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.02"]
[Round "1.4"]
[White "Erenburg, Sergey"]
[Black "Mista, Aleksander"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2576"]
[BlackElo "2592"]
[ECO "B80"]
[Opening "Sicilian"]
[Variation "Scheveningen variation"]
[WhiteFideId "2805642"]
[BlackFideId "1110381"]
[EventDate "2019.03.02"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f3 b5 8. Qd2
Nbd7 9. g4 h6 10. O-O-O b4 11. Nce2 Qc7 12. h4 d5 13. g5 hxg5 14. exd5 Nxd5 15.
Bxg5 N7f6 16. Nf4 Bd6 17. Nxd5 Nxd5 18. Bd3 Bf4 19. Bxf4 Qxf4 20. Qxf4 Nxf4 21.
Be4 Ra7 22. Nc6 Rd7 23. Rxd7 Bxd7 24. Nxb4 f5 25. Bb7 a5 26. Nd3 Nxd3+ 27. cxd3
g5 28. h5 Kf7 29. h6 Kg6 30. Kd2 Kh7 31. Rc1 Rd8 32. Bc6 Kxh6 33. Bxd7 Rxd7 34.
Rc6 g4 35. fxg4 fxg4 36. Rxe6+ Kh5 37. Ke3 g3 38. Kf3 Rxd3+ 39. Kg2 Kg4 40. Re4+
Kf5 41. Ra4 Rd2+ 42. Kxg3 Rxb2 43. Rxa5+ Ke6 44. a4 Kd6 45. Rb5 Rxb5 46. axb5
Kc5 47. b6 Kxb6 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.02"]
[Round "1.5"]
[White "Theodorou, Nikolas"]
[Black "Sorokin, Aleksey"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2551"]
[BlackElo "2531"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "4262875"]
[BlackFideId "24176460"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nf3 d4 8. O-O
Nc6 9. e3 Be7 10. exd4 exd4 11. a3 a5 12. Re1 O-O 13. Bf4 Ra6 14. Ne5 Be6 15.
Nd2 Rb6 16. Nd3 Nd7 17. Bd5 g5 18. Bxe6 fxe6 19. Qg4 Kh8 20. c5 Rb5 21. Bd6 Bxd6
22. cxd6 e5 23. a4 Rd5 24. Ne4 Nf6 25. Qe6 Qd7 26. Qxd7 Nxd7 27. Ra3 g4 28. Rb3
b6 29. Rc1 Nb4 30. Nxb4 axb4 31. Rxb4 d3 32. Kg2 h5 33. h3 gxh3+ 34. Kxh3 Nc5
35. Kg2 Kg7 36. Rb5 Rd4 37. Nxc5 bxc5 38. Rbxc5 Kf6 39. Rd1 Ke6 40. f3 Rb8 41.
Rd2 Rxd6 42. Rc3 Rdb6 43. Rcxd3 Rxb2 44. Kh3 Rxd2 45. Rxd2 Rb3 46. Ra2 Rxf3 47.
a5 Rf7 48. a6 Ra7 49. Kg2 Kf5 50. Ra4 e4 51. Kf2 Kg5 52. Ra5+ Kg4 53. Kg2 e3 54.
Ra4+ 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.03"]
[Round "2.1"]
[White "Steingrimsson, Hedinn"]
[Black "Sorokin, Aleksey"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2558"]
[BlackElo "2531"]
[ECO "E46"]
[Opening "Nimzo-Indian"]
[Variation "Reshevsky variation"]
[WhiteFideId "2300117"]
[BlackFideId "24176460"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 Re8 6. a3 Bf8 7. Ng3 d5 8. Be2
dxc4 9. O-O c5 10. dxc5 Bxc5 11. Bxc4 Nbd7 12. b4 Be7 13. Bb2 a5 14. bxa5 Rxa5
15. Nb5 Nb6 16. Bd3 Bd7 17. Qe2 Nfd5 18. Nh5 g6 19. e4 Nc7 20. Nxc7 Qxc7 21.
Nf6+ Bxf6 22. Bxf6 e5 23. Qd2 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.03"]
[Round "2.2"]
[White "Mista, Aleksander"]
[Black "Theodorou, Nikolas"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2592"]
[BlackElo "2551"]
[ECO "C65"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence"]
[WhiteFideId "1110381"]
[BlackFideId "4262875"]
[EventDate "2019.03.02"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 d5 6. exd5 Qxd5 7. Bc4 Qd6 8. b4
Bb6 9. O-O O-O 10. Nbd2 Bf5 11. Qc2 Rad8 12. a4 a5 13. b5 Ne7 14. Qb3 Bc5 15.
Nxe5 Qxe5 16. d4 Qf4 17. Nf3 Qg4 18. dxc5 Be4 19. Bxf7+ Rxf7 20. Qxf7+ Kxf7 21.
Ne5+ Ke8 22. Nxg4 Nxg4 23. f3 Bd3 24. fxg4 Bxf1 25. Kxf1 Rd1+ 26. Ke2 Rg1 27.
Kf3 Ng6 28. h3 Ne5+ 29. Ke4 Nd7 30. Kd4 Kf7 31. c6 bxc6 32. bxc6 Rd1+ 33. Kc4
Ne5+ 34. Kb5 Nd3 35. Ka6 Rxc1 36. Rxc1 Nxc1 37. Kb7 Ne2 38. Kxc7 Nxc3 39. Kb7
Ne4 40. Kb6 Ke7 41. Kxa5 Kd6 42. Kb6 Nc3 43. a5 Na4+ 44. Kb5 Nc3+ 45. Kb6 Na4+ 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.03"]
[Round "2.3"]
[White "Kadric, Denis"]
[Black "Erenburg, Sergey"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2547"]
[BlackElo "2576"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "14403803"]
[BlackFideId "2805642"]
[EventDate "2019.03.02"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. c4 e6 6. Nc3 Ne7 7. Nge2 Nd7 8. Ng3 Bg6
9. Bg5 Qb6 10. Rc1 f6 11. exf6 gxf6 12. Be3 Qxb2 13. cxd5 Nxd5 14. Nxd5 exd5 15.
Bd3 Qb4+ 16. Ke2 Bxd3+ 17. Qxd3 O-O-O 18. Rc2 Qa4 19. Rb1 Nb6 20. Rb3 Nc4 21.
Qf5+ Kb8 22. Nxh5 Qa6 23. Kf3 Bd6 24. g4 Nxe3 25. fxe3 Qf1+ 26. Rf2 Qh1+ 27. Ke2
Qxh4 28. Nxf6 Bg3 29. Rg2 Qh1 30. Qf1 Qxf1+ 31. Kxf1 Bh4 32. g5 Rdf8 33. Ke2 Kc8
34. Rb1 Bxg5 35. Nxd5 cxd5 36. Rxg5 Rh2+ 37. Kd3 Rxa2 38. Rc1+ Kb8 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.03"]
[Round "2.4"]
[White "Chirila, Ioan-Cristian"]
[Black "Kaidanov, Gregory"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2566"]
[BlackElo "2540"]
[ECO "A08"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "1211668"]
[BlackFideId "2008564"]
[EventDate "2019.03.02"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O cxd4 6. Nxd4 e5 7. Nxc6 bxc6 8.
c4 Be6 9. Qa4 Qd7 10. Bg5 Rc8 11. Nd2 Ng4 12. Nb3 h6 13. Bd2 Be7 14. Rfd1 Nf6
15. Qa5 O-O 16. Nc5 Bxc5 17. Qxc5 Rfe8 18. Be1 Bh3 19. Bh1 h5 20. Rac1 h4 21.
Rc3 hxg3 22. hxg3 e4 23. Ra3 Qg4 24. f3 exf3 25. Bxf3 Qg6 26. Rxa7 Ne4 27. Qd4
Nxg3 28. Kh2 Nxe2 29. Qf2 Bg4 30. Bxg4 Qxg4 31. Qxf7+ Kh8 32. Qf2 Re5 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.03"]
[Round "2.5"]
[White "Bai, Jinshi"]
[Black "Baryshpolets, Andrey"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2593"]
[BlackElo "2589"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[WhiteFideId "8602280"]
[BlackFideId "14117207"]
[EventDate "2019.03.02"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. g3 O-O 6. Bg2 dxc4 7. Ne5 Nc6 8. Bxc6
bxc6 9. Nxc6 Qe8 10. Nxe7+ Qxe7 11. Qa4 c5 12. dxc5 Qxc5 13. Be3 Qc7 14. Rd1 Bb7
15. O-O Nd5 16. Bd4 Rfd8 17. f3 e5 18. Nxd5 Rxd5 19. Be3 a6 20. Rc1 Rc8 21. Rfd1
h6 22. Rxd5 Bxd5 23. Rd1 Be6 24. Qxa6 c3 25. bxc3 Qxc3 26. Kf2 Qb2 27. a4 e4 28.
Qb6 Qa2 29. Rd8+ Rxd8 30. Qxd8+ Kh7 31. a5 exf3 32. Kxf3 Bc4 33. Qd2 Qb1 34. Kf2
Qf5+ 35. Ke1 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.04"]
[Round "3.1"]
[White "Baryshpolets, Andrey"]
[Black "Steingrimsson, Hedinn"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2589"]
[BlackElo "2558"]
[ECO "D37"]
[Opening "QGD"]
[Variation "4.Nf3"]
[WhiteFideId "14117207"]
[BlackFideId "2300117"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 Bb4 6. Bg5 c5 7. Bxc4 cxd4 8.
Nxd4 Bxc3+ 9. bxc3 Qa5 10. Nb5 Nxe4 11. Bf4 O-O 12. O-O Nc6 13. Bc7 b6 14. Qf3
f5 15. Rfe1 a6 16. Nd4 Ne5 17. Bxe5 Qxe5 18. Qe3 b5 19. Bb3 Qc5 20. f3 Nf6 21.
Nxe6 Qxe3+ 22. Rxe3 Bxe6 23. Rxe6 Kh8 24. Rd1 Rfc8 25. Rdd6 a5 26. Re5 a4 27.
Bd1 Rab8 28. Be2 b4 29. cxb4 Rxb4 30. Rb5 Rxb5 31. Bxb5 a3 32. Ba4 h5 33. Kf2 h4
34. Bb3 Ra8 35. Ke3 Kh7 36. Kf4 Kg6 37. Bc2 Ra5 38. Bb3 Kh6 39. Ke3 Kg5 40. Rd4
g6 41. Rd6 Ne8 42. Rc6 Ra7 43. Kd4 Ng7 44. Bc4 Nh5 45. Ra6 Rxa6 46. Bxa6 Kf4 47.
Bb7 g5 48. Bc6 Nf6 49. Bb7 Nh5 50. Kc4 Ke3 51. Kb4 Kf2 52. Kxa3 f4 53. Kb4 Kxg2
54. a4 Kxh2 55. a5 Kg3 56. Bc8 Nf6 57. Kc5 g4 58. a6 h3 59. Bb7 h2 60. fxg4 f3
61. Bxf3 Kxf3 62. a7 Ne4+ 63. Kb6 h1=Q 64. a8=Q Qg1+ 65. Kc7 Qh2+ 66. Kb6 Qb2+
67. Ka7 Qd4+ 68. Kb8 Qd6+ 69. Ka7 Qc5+ 70. Kb8 Kf4 71. Qb7 Nd6 72. Qc7 Qb4+ 73.
Ka7 Ke5 74. Qc6 Qa5+ 75. Kb8 Ke6 76. g5 Qxg5 77. Kc7 Qg7+ 78. Kb6 Qd4+ 79. Ka6
Qd3+ 80. Kb6 Qe3+ 81. Ka6 Qa3+ 82. Kb6 Qb2+ 83. Kc7 Qg7+ 84. Kb6 Qd4+ 85. Ka6
Qb4 86. Ka7 Qa5+ 87. Qa6 Qc7+ 88. Ka8 Qd8+ 89. Ka7 Qd7+ 90. Ka8 Qe8+ 91. Ka7
Qf7+ 92. Ka8 Qf3+ 93. Kb8 Qb3+ 94. Kc7 Qc3+ 95. Qc6 Qg7+ 96. Kb6 Qd4+ 97. Ka6
Qb4 98. Ka7 Qa5+ 99. Qa6 Qc7+ 100. Ka8 Qc5 101. Kb8 Qc2 102. Ka8 Qe4+ 103. Kb8
Kd7 104. Qa7+ Ke8 105. Qb6 Qd5 106. Qe3+ Kd7 107. Qa7+ Ke8 108. Qe3+ Ne4 109.
Qb6 Nc5 110. Qg6+ Kd7 111. Qg7+ Kc6 112. Qf6+ Kb5 113. Qb2+ Nb3 114. Qe2+ Kb6
115. Qf2+ Nd4 116. Qb2+ Nb3 117. Qf2+ Kc6 118. Qf6+ Kb5 119. Qf1+ Ka5 120. Kc7
Qe5+ 121. Kd8 Nc5 122. Qf7 Kb6 123. Qg6+ Kb7 124. Qf7+ Kb8 125. Qg6 Ne6+ 126.
Ke7 Nf4+ 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.04"]
[Round "3.2"]
[White "Kaidanov, Gregory"]
[Black "Bai, Jinshi"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2540"]
[BlackElo "2593"]
[ECO "D77"]
[Opening "Neo-Gruenfeld, 6.O-O"]
[WhiteFideId "2008564"]
[BlackFideId "8602280"]
[EventDate "2019.03.02"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 d5 5. O-O O-O 6. c4 c5 7. dxc5 dxc4 8. Na3
c3 9. Nb5 Na6 10. Nxc3 Nxc5 11. Be3 Nfe4 12. Nxe4 Nxe4 13. Bd4 Bf5 14. Bxg7 Qxd1
15. Rfxd1 Kxg7 16. Nd4 Nd6 17. Rac1 Rac8 18. Kf1 Bd7 19. Ke1 Rxc1 20. Rxc1 Rc8
21. Rxc8 Bxc8 22. Kd2 e5 23. Nc2 Be6 24. a3 g5 25. Ne3 f5 26. Bd5 Kf6 27. Bxe6
Kxe6 28. Kd3 h5 29. Nd1 f4 30. Nc3 Kf5 31. gxf4 exf4 32. Kd4 g4 33. Kd5 Ne8 34.
e4+ fxe3 35. fxe3 h4 36. e4+ Kf4 37. e5 Ke3 38. Ke6 g3 39. hxg3 hxg3 40. Nd5+
Kf3 41. Kf7 g2 42. Kxe8 g1=Q 43. e6 Ke4 44. Nc7 Ke5 45. e7 Kd6 46. Kd8 Qg5 47.
Ne8+ Kc6 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.04"]
[Round "3.3"]
[White "Erenburg, Sergey"]
[Black "Chirila, Ioan-Cristian"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2576"]
[BlackElo "2566"]
[ECO "B32"]
[Opening "Sicilian defence"]
[WhiteFideId "2805642"]
[BlackFideId "1211668"]
[EventDate "2019.03.02"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. Be3
Qc7 9. f4 d6 10. Qf3 Be7 11. g4 b5 12. g5 Nd7 13. O-O-O Nb4 14. Kb1 Nxd3 15.
cxd3 b4 16. Ne2 a5 17. Rc1 Qb7 18. h4 a4 19. Nd2 a3 20. b3 d5 21. Bd4 O-O 22. h5
Qb5 23. g6 h6 24. gxf7+ Rxf7 25. Qg3 Ba6 26. Rh3 Nc5 27. Qg6 Nxe4 28. Nxe4 dxe4
29. Rg1 Qf5 30. Qg2 Bf8 31. dxe4 Qb5 32. Nc1 Rd8 33. Be5 Bb7 34. Rg3 Qc6 35. Re1
Rdd7 36. Rg6 Bc5 37. f5 Bd4 38. Rxe6 Qc3 39. Bxd4 Rxd4 40. Re8+ Rf8 41. f6 Rd7
42. Rxf8+ Kxf8 43. Re2 Qxf6 44. Qg4 Rd4 45. e5 Rxg4 46. exf6 Be4+ 47. Ka1 gxf6
48. Rf2 Kf7 49. Ne2 f5 50. Ng3 Rxg3 51. Rxf5+ Ke6 52. Re5+ Kd6 53. Re6+ Kc5 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.04"]
[Round "3.4"]
[White "Theodorou, Nikolas"]
[Black "Kadric, Denis"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2551"]
[BlackElo "2547"]
[ECO "A41"]
[Opening "Queen's Pawn"]
[WhiteFideId "4262875"]
[BlackFideId "14403803"]
[EventDate "2019.03.02"]

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. g3 c6 8.
Bg2 Kc7 9. O-O Be6 10. b4 Nd7 11. b5 h6 12. Rd1 Nb6 13. bxc6 bxc6 14. Nd2 Rd8
15. Bb2 Ne7 16. c5 Nc4 17. Nxc4 Bxc4 18. Ne4 Rxd1+ 19. Rxd1 Rd8 20. Nd6 Bxe2 21.
Re1 Ba6 22. Bc3 Rb8 23. Nxf7 Nd5 24. Bxe5+ Bxe5 25. Nxe5 Rb5 26. Nxc6 Rxc5 27.
Nd4 Bc8 28. Nb3 Rb5 29. Rc1+ Kb8 30. Nd4 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.04"]
[Round "3.5"]
[White "Sorokin, Aleksey"]
[Black "Mista, Aleksander"]
[Result "1-0"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2531"]
[BlackElo "2592"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "modern exchange variation"]
[WhiteFideId "24176460"]
[BlackFideId "1110381"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8.
Be3 O-O 9. Rc1 Qa5 10. Qd2 Rd8 11. d5 e6 12. Bg5 f6 13. Be3 Nc6 14. Bd3 b6 15.
O-O Ba6 16. Bxa6 Qxa6 17. Rfd1 exd5 18. exd5 Qc4 19. dxc6 Rxd2 20. Rxd2 Bf8 21.
c7 Be7 22. Rcd1 Kf7 23. Rd8 Qa4 24. R1d7 Qe4 25. h4 Ke6 26. Rb8 Bd6 27. Rxd6+ 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.05"]
[Round "4.1"]
[White "Steingrimsson, Hedinn"]
[Black "Mista, Aleksander"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2558"]
[BlackElo "2592"]
[ECO "B36"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, Maroczy bind"]
[WhiteFideId "2300117"]
[BlackFideId "1110381"]
[EventDate "2019.03.02"]

1. Nf3 g6 2. e4 c5 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 d6 7. Nc2 Bg7 8. Be2
Nd7 9. Bd2 O-O 10. O-O Nc5 11. f3 Nd4 12. Nxd4 Bxd4+ 13. Kh1 Bg7 14. Rc1 a5 15.
b3 Be6 16. Re1 Qb6 17. Bf1 Rfc8 18. Rc2 Qd8 19. Bg5 h6 20. Bh4 g5 21. Bf2 Qf8
22. Qd2 Bf6 23. g3 Qg7 24. Bg2 a4 25. b4 Nb3 26. axb3 axb3 27. Rcc1 Rxc4 28. Ne2
Rxc1 29. Qxc1 b2 30. Qc2 Ra1 31. f4 Ba2 32. e5 Rxe1+ 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.05"]
[Round "4.2"]
[White "Kadric, Denis"]
[Black "Sorokin, Aleksey"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2547"]
[BlackElo "2531"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "14403803"]
[BlackFideId "24176460"]
[EventDate "2019.03.02"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. c4 e6 6. Nc3 Ne7 7. Nge2 Bg4 8. Bg5 Qb6
9. Qd2 Nd7 10. cxd5 Nxd5 11. Nxd5 exd5 12. Nc3 f6 13. exf6 gxf6 14. Be3 O-O-O
15. Rc1 Kb8 16. Bf4+ Ka8 17. f3 Bf5 18. a3 Re8+ 19. Kf2 Nc5 20. dxc5 Bxc5+ 21.
Kg3 Bg1 22. Rxg1 Qxg1 23. Bb5 Reg8+ 24. Bg5 Qb6 25. Qf4 fxg5 26. Qxf5 gxh4+ 27.
Kh2 d4 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.05"]
[Round "4.3"]
[White "Chirila, Ioan-Cristian"]
[Black "Theodorou, Nikolas"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2566"]
[BlackElo "2551"]
[ECO "A45"]
[Opening "Queen's pawn game"]
[WhiteFideId "1211668"]
[BlackFideId "4262875"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. Bf4 e6 3. e3 Nc6 4. Nf3 Ne7 5. h4 b6 6. c4 Bb7 7. Nc3 Nf5 8. h5 Bd6
9. Ne5 Ne4 10. Nxe4 Bxe4 11. f3 f6 12. fxe4 fxe5 13. exf5 exf4 14. Qf3 O-O 15.
exf4 Bb4+ 16. Kf2 Qf6 17. Rd1 Rae8 18. h6 exf5 19. hxg7 Qxg7 20. Rh5 Kh8 21. g3
Be7 22. Bh3 Qg6 23. Rh1 Bf6 24. Bxf5 Bxd4+ 25. Kg2 Qc6 26. Rxh7+ Kg8 27. Qxc6
dxc6 28. Bd7 Re2+ 29. Kf3 Re3+ 30. Kg4 Rf7 31. Rxf7 Kxf7 32. b3 c5 33. Bc6 Kg7
34. Rh5 Re2 35. Rd5 Kf6 36. Rd7 Rxa2 37. Rxc7 Rb2 38. Bd5 Rxb3 39. Kh5 Kf5 40.
Rf7+ 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.05"]
[Round "4.4"]
[White "Bai, Jinshi"]
[Black "Erenburg, Sergey"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2593"]
[BlackElo "2576"]
[ECO "D10"]
[Opening "QGD Slav defence"]
[Variation "exchange variation"]
[WhiteFideId "8602280"]
[BlackFideId "2805642"]
[EventDate "2019.03.02"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 Bf5 7. Qb3 Na5 8.
Bb5+ Bd7 9. Qd1 e6 10. Bd3 Nc4 11. Qe2 Bb4 12. Nf3 Rc8 13. Rc1 Ne4 14. Bxe4 dxe4
15. Ng5 e5 16. dxe5 Bg4 17. f3 exf3 18. gxf3 Bh5 19. Kf2 O-O 20. Rhd1 Qa5 21.
Nd5 Nb6 22. Rxc8 Rxc8 23. Nxb4 Qxb4 24. Qd3 Bg6 25. Qd8+ Qf8 26. Qxf8+ Kxf8 27.
e4 Ke7 28. Nh3 Nd7 29. Rd2 h6 30. Bg3 Bh7 31. Ke3 g5 32. Nf2 Bg6 33. h4 f6 34.
exf6+ Nxf6 35. hxg5 hxg5 36. Nh3 g4 37. Nf4 Bf7 38. e5 Nh5 39. Bh4+ Kf8 40. Nxh5
Bxh5 41. f4 Bg6 42. f5 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.05"]
[Round "4.5"]
[White "Baryshpolets, Andrey"]
[Black "Kaidanov, Gregory"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2589"]
[BlackElo "2540"]
[ECO "D52"]
[Opening "QGD"]
[Variation "Cambridge Springs defence, 7.cd"]
[WhiteFideId "14117207"]
[BlackFideId "2008564"]
[EventDate "2019.03.02"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 exd5 8. Bd3
Ne4 9. Qc2 Nxg5 10. Nxg5 h6 11. Nf3 Bd6 12. h3 Nf6 13. O-O O-O 14. a3 Qc7 15. b4
Qe7 16. Rfe1 Re8 17. e4 dxe4 18. Nxe4 Nxe4 19. Bxe4 Be6 20. b5 Rac8 21. Qa4 Qc7
22. bxc6 bxc6 23. Rac1 Bd7 24. Bb1 Rxe1+ 25. Rxe1 c5 26. Qc2 g6 27. dxc5 Bxc5
28. Ba2 Bf5 29. Qd2 Kh7 30. Ne5 Re8 31. Nxf7 Rxe1+ 32. Qxe1 Qf4 33. Ne5 Bxa3 34.
Qa5 Qc1+ 35. Kh2 Qf4+ 36. Kg1 Qc1+ 37. Kh2 Qc5 38. Qe1 Bb4 39. Qe2 Qd4 40. Ng4
Bd6+ 41. g3 h5 42. Ne3 Be4 43. h4 Bd3 44. Qd1 Qxh4+ 45. Kg1 Bxg3 46. fxg3 Qxg3+
47. Ng2 Be4 48. Qe2 Qxg2+ 49. Qxg2 Bxg2 50. Kxg2 a5 51. Bb3 g5 52. Ba4 Kg7 53.
Be8 h4 54. Kh3 Kf6 55. Kg4 Ke5 56. Ba4 Kd6 57. Be8 Kc5 58. Bd7 Kd6 59. Be8 Ke6
60. Ba4 Kf6 61. Be8 Ke5 62. Ba4 Kd6 63. Be8 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.06"]
[Round "5.1"]
[White "Kaidanov, Gregory"]
[Black "Steingrimsson, Hedinn"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2540"]
[BlackElo "2558"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "2008564"]
[BlackFideId "2300117"]
[EventDate "2019.03.02"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. O-O Nd7 5. h3 Bh5 6. d3 e5 7. e4 dxe4 8. dxe4
Bc5 9. Nbd2 Qc7 10. Qe1 Ne7 11. a4 O-O 12. Nc4 b5 13. Ne3 a5 14. Bd2 Bb6 15. Nh4
f6 16. axb5 cxb5 17. Nhf5 Nxf5 18. exf5 Bxe3 19. fxe3 Rac8 20. Bxa5 Qxc2 21. Bb4
Rfd8 22. Bd5+ Bf7 23. Rf2 Qc7 24. Bxf7+ Kxf7 25. Ba5 Nb6 26. Qb4 Rd5 27. e4 Rd6
28. Qxb5 Kg8 29. Rf3 Qd8 30. Qb3+ Kh8 31. Rc3 Rb8 32. Rac1 h6 33. h4 Kh7 34. Kh2
Qe8 35. Qc2 Na4 36. Rb3 Rxb3 37. Qxb3 Rd4 38. Kh3 Qa8 39. Qf7 Rxe4 40. Qg6+ Kh8
41. Rc7 Rxh4+ 42. gxh4 Qh1+ 43. Kg3 Qg1+ 44. Kf3 Qf1+ 45. Ke3 Qf4+ 46. Ke2 Qh2+
47. Kf1 Qh1+ 48. Qg1 Qf3+ 49. Ke1 Qe4+ 50. Kd2 Qf4+ 51. Kc2 Qxf5+ 52. Kb3 g5 53.
Kxa4 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.06"]
[Round "5.2"]
[White "Erenburg, Sergey"]
[Black "Baryshpolets, Andrey"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2576"]
[BlackElo "2589"]
[ECO "C81"]
[Opening "Ruy Lopez"]
[Variation "open, Howell attack"]
[WhiteFideId "2805642"]
[BlackFideId "14117207"]
[EventDate "2019.03.02"]

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. Qe2 Nc5 10. Rd1 Nxb3 11. axb3 Be7 12. c4 b4 13. cxd5 Bxd5 14. Qd3 Be6 15.
Qc2 Bd7 16. Nbd2 Qc8 17. Ne4 Nd8 18. Bg5 Bxg5 19. Nfxg5 h6 20. e6 Bxe6 21. Rxd8+
Kxd8 22. Rd1+ Ke8 23. Qc6+ Ke7 24. Qc5+ Ke8 25. Qc6+ Ke7 26. Nxe6 Qxe6 27. Qc5+
Ke8 28. Qxb4 a5 29. Qd4 Kf8 30. Nc5 Qd6 31. Nd7+ Kg8 32. Qg4 Qe6 33. Qxe6 fxe6
34. Nc5 Kf7 35. Rd7+ Kf6 36. f3 Rhd8 37. Ne4+ Kg6 38. Rxc7 Rab8 39. h4 Rxb3 40.
h5+ Kh7 41. Ra7 Rb5 42. Kf2 Rxb2+ 43. Kg3 Rb5 44. Kh4 Kg8 45. Kg4 Kf8 46. Kh4
Rdd5 47. Ra8+ Ke7 48. Ra7+ Kd8 49. g4 Rd7 50. Ra6 Rd3 51. Ra8+ Kc7 52. Ra7+ Kc6
53. Kg3 Rbb3 54. Kf4 Rxf3+ 55. Ke5 Rb5+ 56. Kxe6 Re3 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.06"]
[Round "5.3"]
[White "Theodorou, Nikolas"]
[Black "Bai, Jinshi"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2551"]
[BlackElo "2593"]
[ECO "D78"]
[Opening "Neo-Gruenfeld, 6.O-O c6"]
[WhiteFideId "4262875"]
[BlackFideId "8602280"]
[EventDate "2019.03.02"]

1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. Bg2 g6 5. O-O Bg7 6. d4 O-O 7. Qb3 Qb6 8. Nc3
Bf5 9. Ne5 Be6 10. Qd1 dxc4 11. Na4 Qd8 12. Nc5 Qc8 13. Qc2 Bh3 14. Qxc4 Bxg2
15. Kxg2 Nbd7 16. Ncd3 Ne4 17. Rd1 Nd6 18. Qa4 Nf5 19. Nxd7 Qxd7 20. Nc5 Qc8 21.
Qc4 Rd8 22. Nb3 b5 23. Qc2 Nxd4 24. Nxd4 Bxd4 25. e3 Bf6 26. Rxd8+ Qxd8 27. e4
Bd4 28. Bh6 c5 29. h4 Qd7 30. Rd1 Qe6 31. b4 Qc4 32. Qxc4 bxc4 33. bxc5 e5 34.
f4 f6 35. fxe5 fxe5 36. Rf1 Rc8 37. c6 c3 38. Rf8+ Rxf8 39. Bxf8 Bb6 40. Ba3 Kf7
41. g4 Ke6 42. Kf3 Bd8 43. Ke2 Bxh4 44. Kd3 Be1 45. c7 Kd7 46. Bd6 h5 47. gxh5
gxh5 48. Bxe5 h4 49. Bd6 Bg3 50. e5 Kc8 51. Bc5 h3 52. e6 Kxc7 53. Bxa7 h2 54.
Bb8+ Kc6 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.06"]
[Round "5.4"]
[White "Sorokin, Aleksey"]
[Black "Chirila, Ioan-Cristian"]
[Result "1-0"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2531"]
[BlackElo "2566"]
[ECO "D90"]
[Opening "Gruenfeld"]
[Variation "Three knights variation"]
[WhiteFideId "24176460"]
[BlackFideId "1211668"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 c6 6. cxd5 cxd5 7. Bf4 Nc6 8. e3
O-O 9. Qb3 a6 10. Ne5 Nxe5 11. Bxe5 e6 12. Be2 h5 13. a4 b6 14. g3 Bb7 15. Rc1
Ne8 16. O-O Nd6 17. Qb4 Nf5 18. Bxg7 Kxg7 19. a5 b5 20. Bd3 Ne7 21. Ne2 Nc6 22.
Qe1 Qxa5 23. Qd1 e5 24. Bb1 Qb4 25. dxe5 Nxe5 26. Rc7 Rab8 27. Qc2 Qd2 28. Qxd2
Nf3+ 29. Kg2 Nxd2 30. Rd1 Nc4 31. b3 Nd6 32. Nf4 Rfe8 33. Bxg6 Rbc8 34. Rd7 d4+
35. e4 Rcd8 36. Rxd8 Rxd8 37. Rxd4 Kf6 38. Bxh5 Ke5 39. Rd1 f5 40. f3 fxe4 41.
fxe4 Bxe4+ 42. Bf3 Nf7 43. Re1 Rd2+ 44. Kh3 Nd6 45. Kg4 a5 46. h5 Rh2 47. h6 Kd4
48. Bxe4 Nxe4 49. Nh5 Nf6+ 50. Nxf6 Rxh6 51. Kf5 Kc3 52. Re3+ Kb2 53. g4 Rh2 54.
Nd7 Rh7 55. Nc5 Rf7+ 56. Kg6 Rc7 57. Re5 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.06"]
[Round "5.5"]
[White "Mista, Aleksander"]
[Black "Kadric, Denis"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2592"]
[BlackElo "2547"]
[ECO "C41"]
[Opening "Philidor"]
[Variation "Improved Hanham variation"]
[WhiteFideId "1110381"]
[BlackFideId "14403803"]
[EventDate "2019.03.02"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 O-O 7. O-O c6 8. h3 h6
9. Re1 Re8 10. Be3 exd4 11. Qxd4 Qa5 12. Bf4 Ne5 13. Be2 Bf8 14. Rad1 Qc7 15.
Bg3 a6 16. Nd2 b5 17. axb5 axb5 18. b4 Bd7 19. Nb3 Rab8 20. f4 Nc4 21. Bxc4 bxc4
22. Qxc4 d5 23. exd5 Rxb4 24. Qd3 cxd5 25. Nxd5 Nxd5 26. Qxd5 Qxc2 27. Qxd7
Rxe1+ 28. Rxe1 Rxb3 29. Bf2 Rd3 30. Qa7 Rd1 31. Rxd1 Qxd1+ 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.07"]
[Round "6.1"]
[White "Steingrimsson, Hedinn"]
[Black "Kadric, Denis"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2558"]
[BlackElo "2547"]
[ECO "E98"]
[Opening "King's Indian"]
[Variation "orthodox, Aronin-Taimanov, 9.Ne1"]
[WhiteFideId "2300117"]
[BlackFideId "14403803"]
[EventDate "2019.03.02"]

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nf6 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7
9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Rc1 Ng6 14. Nd3 Nf6 15. c5 Rf7
16. a4 Bf8 17. a5 h5 18. b4 g4 19. cxd6 cxd6 20. Nb5 b6 21. axb6 axb6 22. Rc6
Rb8 23. Qc2 Ne8 24. Bxb6 Rxb6 25. Rxc8 Qd7 26. Ne1 Ne7 27. Rxe8 Qxe8 28. Nc7 Qc8
29. b5 g3 30. Ne6 h4 31. Qd2 Qa8 32. Nd3 Nc8 33. Nb4 Na7 34. Ra1 Qe8 35. Nc6
Nxb5 36. Ned8 Rg7 37. Qa5 gxh2+ 38. Kh1 Qg6 39. Bf1 h3 40. Ra2 Nc3 41. Qxb6 Nxa2
42. Qf2 Nc3 43. Ne6 Nd1 44. Qe2 Qg3 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.07"]
[Round "6.2"]
[White "Chirila, Ioan-Cristian"]
[Black "Mista, Aleksander"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2566"]
[BlackElo "2592"]
[ECO "A45"]
[Opening "Queen's pawn game"]
[WhiteFideId "1211668"]
[BlackFideId "1110381"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 Bd6 5. Bg3 O-O 6. Nbd2 c5 7. c3 Qc7 8. Be2
Nbd7 9. O-O b6 10. c4 Bxg3 11. hxg3 Bb7 12. Rc1 dxc4 13. Bxc4 Rac8 14. Bb5 Qb8
15. Qe2 Rfd8 16. Rfd1 e5 17. Bc4 h6 18. dxc5 Nxc5 19. Nh4 e4 20. Nb3 Rxd1+ 21.
Rxd1 b5 22. Bxb5 Nxb3 23. axb3 Qe5 24. g4 g6 25. Bc4 Kg7 26. g3 Rc7 27. Rd8 Bc8
28. Qd2 Bxg4 29. Ng2 g5 30. Qd4 Rc5 31. b4 Qxd4 32. Rxd4 Rc8 33. Ne1 h5 34. Kg2
h4 35. gxh4 gxh4 36. f3 h3+ 37. Kg3 Rh8 38. Kh2 exf3 39. Rf4 Re8 40. Nxf3 Rxe3
41. Nd4 Kg6 42. Bf1 Bd7 43. Be2 Kg5 44. Rf1 Ng4+ 45. Bxg4 Bxg4 46. Rxf7 Rd3 47.
Rg7+ Kh5 48. Nb5 Kh4 49. Rh7+ Bh5 50. Nc3 Rd2+ 51. Kh1 Rd4 52. b5 Rf4 53. Ne2
Rf1+ 54. Ng1 Rb1 55. Rh8 Kg4 56. Rg8+ Kf4 57. Rg7 Bg4 58. Kh2 Rxb2+ 59. Kh1 Kg3 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.07"]
[Round "6.3"]
[White "Bai, Jinshi"]
[Black "Sorokin, Aleksey"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2593"]
[BlackElo "2531"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "exchange variation"]
[WhiteFideId "8602280"]
[BlackFideId "24176460"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Bg7 6. Bg2 Nb6 7. Nf3 Nc6 8. O-O
Nxd4 9. Nxd4 Qxd4 10. a4 Qxd1 11. Rxd1 Bxc3 12. bxc3 a5 13. Bf4 c6 14. e4 O-O
15. Bf1 Nd7 16. Be3 b6 17. Rab1 Ra7 18. Bxb6 Nxb6 19. Rxb6 Bg4 20. Rd2 Rc8 21.
e5 Be6 22. f4 Kg7 23. Kf2 f6 24. exf6+ exf6 25. Rd6 Bd5 26. c4 Be4 27. Bg2 Bxg2
28. Kxg2 Re8 29. Rbxc6 Re2+ 30. Kh3 f5 31. c5 Rc2 32. Ra6 Rxa6 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.07"]
[Round "6.4"]
[White "Baryshpolets, Andrey"]
[Black "Theodorou, Nikolas"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2589"]
[BlackElo "2551"]
[ECO "E62"]
[Opening "King's Indian"]
[Variation "fianchetto, Uhlmann (Szabo) variation"]
[WhiteFideId "14117207"]
[BlackFideId "4262875"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Nb8
9. c5 Ne8 10. cxd6 Nxd6 11. e4 a5 12. Re1 Na6 13. b3 Bd7 14. Bb2 Qe7 15. Rc1
Rae8 16. Qd2 Qd8 17. Na4 b6 18. Ba3 Nb4 19. Bxb4 axb4 20. Qxb4 f5 21. exf5 gxf5
22. Nc3 Rf7 23. Ne2 Ne4 24. Qc4 Bc8 25. Red1 Nd6 26. Qb4 f4 27. gxf4 Bg4 28. Re1
e4 29. Ng5 Rxf4 30. Ne6 Rxe6 31. dxe6 Bxe2 32. Rxe2 Rg4 33. Qd2 Qf6 34. h3 Rg6
35. Qd5 Qf3 36. e7+ Kh8 37. Qa8+ 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.07"]
[Round "6.5"]
[White "Kaidanov, Gregory"]
[Black "Erenburg, Sergey"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2540"]
[BlackElo "2576"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack, Yugoslav variation"]
[WhiteFideId "2008564"]
[BlackFideId "2805642"]
[EventDate "2019.03.02"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nf6 5. c4 e6 6. d4 Be7 7. Nc3 O-O 8. Ne5
Bh5 9. Qb3 Qb6 10. Bf4 Nbd7 11. Nxd7 Nxd7 12. e4 e5 13. Bxe5 Nxe5 14. dxe5 dxc4
15. Qxc4 Rfd8 16. h3 Rd4 17. Qb3 Rb4 18. Qc2 Rxb2 19. Qc1 Rb4 20. g4 Bg6 21. Rb1
Qd4 22. Ne2 Qxe5 23. Rxb4 Bxb4 24. Qb1 Qe7 25. Rd1 Bc5 26. Nf4 Bb6 27. a4 Re8
28. Qa2 Rd8 29. Rxd8+ Qxd8 30. e5 Qd1+ 31. Bf1 Bb1 32. Qb2 Qc2 33. Qxc2 Bxc2 34.
e6 Kf8 35. exf7 Bb3 36. Nd3 Bxa4 37. Ne5 Bb3 38. Bd3 g6 39. h4 Bd4 40. Nc4 b6 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.08"]
[Round "7.1"]
[White "Erenburg, Sergey"]
[Black "Steingrimsson, Hedinn"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2576"]
[BlackElo "2558"]
[ECO "C84"]
[Opening "Ruy Lopez"]
[Variation "closed defence"]
[WhiteFideId "2805642"]
[BlackFideId "2300117"]
[EventDate "2019.03.02"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a4 Bd7
9. c3 O-O 10. Bc2 b4 11. Re1 Rb8 12. Nbd2 d5 13. h3 Re8 14. a5 Bf8 15. exd5 Nxd5
16. Ne4 h6 17. Bb3 Be6 18. Ba4 Bd7 19. Bb3 Be6 20. Ba4 Bd7 21. Bd2 Kh8 22. Bb3
Be6 23. Ba4 Bd7 24. Bb3 Be6 25. Bc4 Nf4 26. Bxa6 Nxd3 27. Bg5 hxg5 28. Bxd3 Be7
29. Ng3 Bf6 30. Qe2 bxc3 31. bxc3 Qd5 32. Ne4 g4 33. Nfg5 gxh3 34. Qh5+ Kg8 35.
Nxf6+ gxf6 36. Ne4 Kg7 37. Re3 Ne7 38. Rg3+ Ng6 39. Nxf6 Kxf6 40. Qg5+ Kg7 41.
Bxg6 Kf8 42. Bh7 Red8 43. Qh4 Ke8 44. Be4 Qd6 45. Rd3 Qa6 46. Rad1 Rxd3 47. Bxd3
Qa7 48. Bb5+ Kf8 49. Qh8+ Ke7 50. Qxe5 h2+ 51. Kxh2 Rxb5 52. Qxb5 Qxf2 53. Qg5+
f6 54. Qg3 Qc5 55. Qg7+ Ke8 56. Re1 Qh5+ 57. Kg3 Qf5 58. Qg8+ 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.08"]
[Round "7.2"]
[White "Theodorou, Nikolas"]
[Black "Kaidanov, Gregory"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2551"]
[BlackElo "2540"]
[ECO "E04"]
[Opening "Catalan"]
[Variation "open, 5.Nf3"]
[WhiteFideId "4262875"]
[BlackFideId "2008564"]
[EventDate "2019.03.02"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Bd7 8. Qe2
Bd6 9. Qxc4 Rb8 10. Re1 O-O 11. Nbd2 Qe7 12. e4 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5
15. Nf3 Qc5 16. Qxc5 Bxc5 17. Be3 Bxe3 18. Rxe3 Rfe8 19. Nd4 Rbd8 20. Ree1 Ba4
21. e5 Rxd4 22. exf6 Rxe1+ 23. Rxe1 gxf6 24. b3 Bd7 25. Bxb7 Rd2 26. a4 a5 27.
Rc1 Be6 28. Rc5 Bxb3 29. Rxa5 Kg7 30. Ra8 c5 31. a5 Ra2 32. a6 Be6 33. Rd8 c4
34. Rd1 c3 35. Rc1 Bc4 36. Rxc3 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.08"]
[Round "7.3"]
[White "Sorokin, Aleksey"]
[Black "Baryshpolets, Andrey"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2531"]
[BlackElo "2589"]
[ECO "D37"]
[Opening "QGD"]
[Variation "classical variation (5.Bf4)"]
[WhiteFideId "24176460"]
[BlackFideId "14117207"]
[EventDate "2019.03.02"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5 Ne4 8. Qc2
f5 9. Ne5 Bf6 10. Nxd7 Bxd7 11. Nxe4 fxe4 12. Qc3 Bg5 13. Be5 Bf6 14. Bf4 Bg5
15. Be5 Bf6 16. Bf4 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.08"]
[Round "7.4"]
[White "Mista, Aleksander"]
[Black "Bai, Jinshi"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2592"]
[BlackElo "2593"]
[ECO "C42"]
[Opening "Petrov"]
[Variation "classical attack"]
[WhiteFideId "1110381"]
[BlackFideId "8602280"]
[EventDate "2019.03.02"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Bf5 8. Re1
O-O 9. c4 Nc6 10. cxd5 Qxd5 11. Nc3 Nxc3 12. bxc3 Rae8 13. Bf4 Bd8 14. c4 Rxe1+
15. Qxe1 Qd7 16. Bxf5 Qxf5 17. Bg3 Bf6 18. Rd1 Qd7 19. d5 Re8 20. Qd2 Ne5 21.
Bxe5 Bxe5 22. Qa5 Bd6 23. Qxa7 b6 24. Qa6 Bc5 25. Re1 g6 26. Rxe8+ Qxe8 27. Kf1
Qe4 28. Qa4 Qd3+ 29. Ke1 Qb1+ 30. Ke2 Qb2+ 31. Kd3 Qxf2 32. Qe8+ Bf8 33. Qe2 Qc5
34. Nd4 h5 35. Nb3 Qg1 36. h3 Qb1+ 37. Qc2 Qf1+ 38. Qe2 Qf6 39. Qf3 Qb2 40. Qe2
Qf6 41. Qf3 Qb2 42. Qe2 Qf6 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.08"]
[Round "7.5"]
[White "Kadric, Denis"]
[Black "Chirila, Ioan-Cristian"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2547"]
[BlackElo "2566"]
[ECO "B35"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, modern variation with Bc4"]
[WhiteFideId "14403803"]
[BlackFideId "1211668"]
[EventDate "2019.03.02"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8.
Bb3 d6 9. f3 Bd7 10. h4 h5 11. Qd2 Rc8 12. Nxc6 bxc6 13. g4 c5 14. Bc4 Rb8 15.
e5 dxe5 16. g5 Ne8 17. Ne4 Nd6 18. Nxd6 exd6 19. Qxd6 Rxb2 20. O-O-O e4 21. Bxc5
Qa5 22. Bd4 Rb6 23. Qc5 Bb5 24. Bxg7 Kxg7 25. Bb3 Qa6 26. fxe4 Rc6 27. Qd4+ Kg8
28. Rh3 Bc4 29. Kb2 Rfc8 30. Rd2 Qb7 31. Kc1 a5 32. Rc3 Bxb3 33. Rxc6 Rxc6 34.
axb3 Qxb3 35. Qd8+ Kh7 36. Qf8 Rxc2+ 37. Rxc2 Qe3+ 38. Kb1 Qb3+ 39. Rb2 Qd3+ 40.
Ka1 Qd1+ 41. Ka2 Qa4+ 42. Qa3 Qxe4 43. Rf2 Kg8 44. Qb3 Qe7 45. Qc4 Qd7 46. Rf4
Qd2+ 47. Ka3 Qd6+ 48. Ka4 Qd7+ 49. Kxa5 Qa7+ 50. Kb5 Qb8+ 51. Kc6 Qc8+ 52. Kd5
Qe6+ 53. Kd4 Qd6+ 54. Ke4 Qe7+ 55. Kf3 Qd7 56. Kg3 Qe7 57. Qc8+ Kh7 58. Qc3 Kg8
59. Rc4 Qd6+ 60. Kf3 Qd5+ 61. Kf2 Qf5+ 62. Kg1 Kh7 63. Kg2 Qd5+ 64. Kf2 Qf5+ 65.
Ke1 Qe6+ 66. Kd2 Qd5+ 67. Kc2 Qf5+ 68. Kb3 Qd5 69. Qf6 Qb5+ 70. Kc3 Qd7 71. Kb4
Qb7+ 72. Kc5 Qc7+ 73. Qc6 Qe5+ 74. Kb6 Qb8+ 75. Qb7 Qd6+ 76. Ka7 Qa3+ 77. Qa6
Qe7+ 78. Kb8 Qf8+ 79. Qc8 Qd6+ 80. Qc7 Qd5 81. Rf4 Kg7 82. Rxf7+ Qxf7 83. Kc8
Kh8 84. Qd8+ Kh7 85. Qd7 Kh8 86. Kd8 Qf8+ 87. Qe8 Kh7 88. Kd7 Qf4 89. Qe7+ Kg8
90. Qd6 Qxh4 91. Qxg6+ Kf8 92. Qh6+ Kg8 93. Qe6+ Kg7 94. Qe5+ Kf7 95. Qe7+ Kg8
96. Qe8+ 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.09"]
[Round "8.1"]
[White "Steingrimsson, Hedinn"]
[Black "Chirila, Ioan-Cristian"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2558"]
[BlackElo "2566"]
[ECO "A34"]
[Opening "English"]
[Variation "symmetrical, three knights system"]
[WhiteFideId "2300117"]
[BlackFideId "1211668"]
[EventDate "2019.03.02"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. bxc3 g6 7. Bb5+ Nd7 8.
Ba3 Qc7 9. d4 Bg7 10. Bxc5 b6 11. Bb4 a6 12. Qa4 Bb7 13. Bd3 e5 14. Qc2 Qc6 15.
e4 exd4 16. cxd4 Qxc2 17. Bxc2 Rc8 18. Kd2 Nf6 19. Rhe1 Ng4 20. Re2 a5 21. Ba4+
Kd8 22. Bd6 Ba6 23. Rb1 Bh6+ 24. Ke1 Bxe2 25. Kxe2 Rc4 26. Bb3 Rc6 27. e5 Bf8
28. Ng5 Nh6 29. Bxf8 Rxf8 30. Nxh7 Rh8 31. Ng5 Ke7 32. d5 Rcc8 33. d6+ Kf8 34.
f4 Nf5 35. d7 Rb8 36. Nxf7 Nd4+ 37. Ke3 Nxb3 38. Nxh8 Nc5 39. Nxg6+ Kf7 40. f5 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.09"]
[Round "8.2"]
[White "Bai, Jinshi"]
[Black "Kadric, Denis"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2593"]
[BlackElo "2547"]
[ECO "A04"]
[Opening "Reti opening"]
[WhiteFideId "8602280"]
[BlackFideId "14403803"]
[EventDate "2019.03.02"]

1. Nf3 d6 2. d4 g6 3. g3 Bg7 4. Bg2 c5 5. O-O cxd4 6. Nxd4 h5 7. h4 Qb6 8. Nb3
Nc6 9. Nc3 Nf6 10. Bg5 Be6 11. Bxf6 Bxf6 12. Nd5 Bxd5 13. Qxd5 O-O 14. c3 Rfd8
15. a4 e6 16. Qb5 Qc7 17. e4 Rac8 18. Qe2 Qb6 19. Qb5 Qc7 20. Qe2 Qb6 21. Qb5
Qc7 22. Qe2 Qb6 23. Qb5 Qc7 24. Qe2 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.09"]
[Round "8.3"]
[White "Baryshpolets, Andrey"]
[Black "Mista, Aleksander"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2589"]
[BlackElo "2592"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "modern exchange variation"]
[WhiteFideId "14117207"]
[BlackFideId "1110381"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8.
Be3 Qa5 9. Qd2 Nc6 10. Rb1 a6 11. Rc1 cxd4 12. cxd4 Qxd2+ 13. Kxd2 f5 14. e5 O-O
15. Bc4+ e6 16. Ke2 Bd7 17. h4 Rfc8 18. d5 Na5 19. dxe6 Bc6 20. Bd3 Bd5 21. e7
Nc6 22. Bc5 Nxe5 23. Nxe5 Bxe5 24. h5 Bf6 25. hxg6 hxg6 26. Bb4 Rxc1 27. Rxc1
Re8 28. Rc7 Kf7 29. a3 Bxe7 30. g4 Kf6 31. Rxe7 Rxe7+ 32. Bxe7+ Kxe7 33. gxf5 g5
34. Ke3 Kd6 35. Kd4 b5 36. f6 Bf7 37. Be2 Ke6 38. Kc5 Kxf6 39. Bf3 Be8 40. Kb6
Ke5 41. Kxa6 Kd4 42. Be2 Kc5 43. Ka5 Bc6 44. Bf1 Bd7 45. Be2 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.09"]
[Round "8.4"]
[White "Kaidanov, Gregory"]
[Black "Sorokin, Aleksey"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2540"]
[BlackElo "2531"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "2008564"]
[BlackFideId "24176460"]
[EventDate "2019.03.02"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d5 6. c4 Nc6 7. cxd5 Qxd5 8. Nc3
Qh5 9. h3 Rd8 10. Qc1 Be6 11. Na4 Nd7 12. Bxg7 Kxg7 13. Qc3+ f6 14. Rc1 a5 15.
Qe3 Bf7 16. O-O Qb5 17. d4 Nb6 18. Nc5 Nd5 19. Qe4 Rd6 20. Rfe1 b6 21. Na4 Qb4
22. e3 e5 23. Rc4 Qa3 24. dxe5 Re8 25. Qb1 b5 26. exd6 bxc4 27. bxc4 Ndb4 28. d7
Rd8 29. Nc5 Nc2 30. Qxc2 Qxc5 31. Rd1 Be6 32. Nd4 Nxd4 33. exd4 Qb4 34. d5 Bxd7
35. Qd2 Qc5 36. Qd4 Qa3 37. c5 Re8 38. c6 Bf5 39. d6 cxd6 40. Qxd6 Re1+ 41. Kh2
Qxd6 42. Rxd6 Re2 43. g4 Bc8 44. Rd8 Be6 45. Kg3 Rxa2 46. c7 Ra3+ 47. Kh2 Rc3
48. Bd5 Bxg4 49. hxg4 Rxc7 50. Ra8 Rc5 51. Ra7+ Kh8 52. Ra8+ Kg7 53. Ra7+ Kh8
54. Be4 Rg5 55. Bf3 Rc5 56. Kg3 Rb5 57. Be4 Rb3+ 58. f3 Rb5 59. Kf4 Re5 60. Rf7
Re6 61. Bd3 Rd6 62. Ke4 Re6+ 63. Kd5 Rb6 64. Kc5 Re6 65. Bc4 Re3 66. Rxf6 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.09"]
[Round "8.5"]
[White "Erenburg, Sergey"]
[Black "Theodorou, Nikolas"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2576"]
[BlackElo "2551"]
[ECO "C67"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence, open variation"]
[WhiteFideId "2805642"]
[BlackFideId "4262875"]
[EventDate "2019.03.02"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8.
Qxd8+ Kxd8 9. h3 Ke8 10. Nc3 b6 11. Rd1 Bb4 12. Ne2 Be7 13. Bf4 h5 14. a4 Rg8
15. Bg5 f6 16. exf6 gxf6 17. Bf4 c5 18. Ng3 Nxg3 19. Bxg3 Bb7 20. Ne1 Rc8 21.
Kh2 a5 22. f3 Bc6 23. c4 Kf7 24. b3 Rge8 25. Nd3 Bf8 26. Kg1 Re3 27. Bf4 Re7 28.
Rd2 h4 29. Rad1 Kg6 30. Bh2 Kf5 31. Nf4 Bh6 32. Nd5 Bxd5 33. Rxd5+ Kg6 34. Rd7
Re3 35. Rxc7 Rce8 36. Rc6 Rxb3 37. Bc7 Rb2 38. Rxb6 Rc2 39. Kh1 Ree2 40. Bd8
Rcd2 41. Rbb1 Ra2 42. Rd6 Bg7 43. Bxa5 Rxg2 44. Rg1 Rxg1+ 45. Kxg1 Rxa4 46. Be1
Rxc4 47. Kf1 Bh6 48. Rc6 Bg5 49. Ke2 Kf5 50. Kd3 Rc1 51. Bc3 Rd1+ 52. Ke2 Rh1
53. Rxc5+ Kg6 54. Kf2 Rxh3 55. Kg2 Rg3+ 56. Kf2 f5 57. Rc6+ Kf7 58. Be5 f4 59.
Rc4 h3 60. Bxf4 h2 61. Kxg3 h1=Q 62. Bxg5 Qg1+ 63. Kf4 Qh2+ 64. Kf5 Qd6 65. Re4
Qd5+ 66. Kg4 Kg6 67. Be3 Qd7+ 1/2-1/2

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.10"]
[Round "9.1"]
[White "Theodorou, Nikolas"]
[Black "Steingrimsson, Hedinn"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2551"]
[BlackElo "2558"]
[ECO "E20"]
[Opening "Nimzo-Indian"]
[Variation "Romanishin-Kasparov (Steiner) system"]
[WhiteFideId "4262875"]
[BlackFideId "2300117"]
[EventDate "2019.03.02"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nc3 O-O 5. Bg2 Bxc3+ 6. bxc3 Nc6 7. Nf3 d6 8.
Qd3 Na5 9. Nd2 Qd7 10. O-O Qa4 11. Rb1 c5 12. dxc5 dxc5 13. Nb3 Qxa2 14. Nxc5
Qxc4 15. Qd6 Qxe2 16. Rb2 Qh5 17. Rb5 Nc4 18. Qf4 a6 19. Rb4 Ne5 20. Re1 Neg4
21. h3 Qxc5 22. hxg4 Nd5 23. Qg5 f6 24. Qh5 g6 25. Qh6 Nxb4 26. cxb4 Qxb4 27.
Re4 Qb1 28. Re1 Rf7 29. Be4 Qb4 30. Rd1 Bd7 31. Qf4 Bc6 32. Bxg6 Qxf4 33. Bxf7+
Kxf7 34. Bxf4 Rg8 35. f3 e5 36. Be3 Bxf3 37. Rd6 Rxg4 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.10"]
[Round "9.2"]
[White "Sorokin, Aleksey"]
[Black "Erenburg, Sergey"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2531"]
[BlackElo "2576"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "24176460"]
[BlackFideId "2805642"]
[EventDate "2019.03.02"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O c5 7. c4 Nbc6 8. Na3 a6
9. dxc5 d4 10. Qa4 Ng6 11. Rd1 Bxc5 12. b4 Ba7 13. c5 O-O 14. Nc4 d3 15. Qb3
Ngxe5 16. Bb2 Nxf3+ 17. Bxf3 Qe7 18. Qc3 f6 19. Nd6 Bg6 20. h4 Ne5 21. Bxb7 Rad8
22. f4 Ng4 23. Bf3 Qxd6 24. Bxg4 Qxf4 25. h5 Qxg4 26. hxg6 Bb8 27. gxh7+ Kh8 28.
Rxd3 Be5 29. Qc2 Bxb2 30. Rxd8 Bd4+ 0-1

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.10"]
[Round "9.3"]
[White "Mista, Aleksander"]
[Black "Kaidanov, Gregory"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2592"]
[BlackElo "2540"]
[ECO "C82"]
[Opening "Ruy Lopez"]
[Variation "open, Motzko attack, Nenarokov variation"]
[WhiteFideId "1110381"]
[BlackFideId "2008564"]
[EventDate "2019.03.02"]

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 Ne7 11. Nbd2 Bf5 12. Qe2 O-O 13. Nd4 Bg6 14. Nxe4 Bxe4 15.
Bg5 Re8 16. Rad1 Qd7 17. e6 fxe6 18. Qxe4 dxe4 19. Bxe6+ Qxe6 20. Nxe6 Bd6 21.
Rfe1 h6 22. Bc1 Kf7 23. Rxe4 Ng8 24. Rde1 Nf6 25. R4e2 Ng4 26. h3 Ne5 27. Nd4
Nd3 28. Rd1 Nxc1 29. Rxc1 c5 30. Rxe8 Rxe8 31. Nf3 Re2 32. Rd1 Ke6 33. Re1 Rxe1+
34. Nxe1 Kd5 35. Kf1 Kc4 36. Ke2 b4 37. Nc2 bxc3 38. b3+ Kd5 39. Kd3 Be5 40.
Ne3+ Ke6 41. Nd1 Bd4 42. f3 c2 43. Kxc2 Kf5 44. g3 h5 45. h4 Bg1 46. Kd3 Ke5 47.
Ne3 Bf2 48. f4+ Ke6 49. Nf1 Kd5 50. Ke2 Bd4 51. Nd2 Bc3 52. Nb1 Bd4 53. Kd3 Ke6
54. Ke4 g6 55. Nd2 Bf2 56. Kf3 Be1 57. Nc4 Kf5 58. Ne5 Bc3 59. g4+ hxg4+ 60.
Nxg4 Be1 61. Ne3+ Ke6 62. Kg4 Kf6 63. Nd5+ Kf7 64. Nb6 Bf2 65. Kg5 Ke6 66. Nc4
Kd5 67. Ne5 Bd4 68. Nxg6 c4 69. bxc4+ Kxc4 70. h5 Kb4 71. h6 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.10"]
[Round "9.4"]
[White "Kadric, Denis"]
[Black "Baryshpolets, Andrey"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2547"]
[BlackElo "2589"]
[ECO "C11"]
[Opening "French"]
[Variation "Steinitz variation"]
[WhiteFideId "14403803"]
[BlackFideId "14117207"]
[EventDate "2019.03.02"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. Nf3 Qa5 8. Bf4
a6 9. Qd2 Nb6 10. b3 Nd7 11. dxc5 Bxc5 12. Ned4 Nxd4 13. Nxd4 Qc7 14. Qe3 Ba7
15. Be2 Bb8 16. Bg3 Nxe5 17. O-O-O O-O 18. Rhe1 f6 19. f4 Nf7 20. Nxe6 Bxe6 21.
Qxe6 Qxc3+ 22. Kb1 Ba7 23. Rc1 Qa5 24. Bf3 Rad8 25. f5 Bd4 26. Bc7 Qa3 27. Rc2
Rc8 28. Bd6 Qxd6 29. Rxc8 Qxe6 30. Rxf8+ Kxf8 31. Rxe6 Ng5 32. Rd6 Nxf3 33. gxf3
Be5 34. Rxd5 Bxh2 35. Rd8+ Ke7 36. Rh8 h6 37. Kc2 a5 38. Kd3 b6 39. Ke4 Kf7 40.
f4 Bg1 41. Rb8 Bc5 42. Kf3 g5 43. fxg6+ Kxg6 44. Ke4 h5 45. Rg8+ Kf7 46. Rg2 Ke6
47. f5+ Kd6 48. Rg6 Ke7 49. Rh6 Bb4 50. Kd5 1-0

[Event "St Louis Spring B"]
[Site "Saint Louis USA"]
[Date "2019.03.10"]
[Round "9.5"]
[White "Chirila, Ioan-Cristian"]
[Black "Bai, Jinshi"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2566"]
[BlackElo "2593"]
[ECO "D10"]
[Opening "QGD Slav defence"]
[Variation "exchange variation"]
[WhiteFideId "1211668"]
[BlackFideId "8602280"]
[EventDate "2019.03.02"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 Bf5 7. Qb3 Na5 8.
Qa4+ Bd7 9. Qc2 e6 10. Bd3 Be7 11. h3 Rc8 12. Nf3 b5 13. a3 O-O 14. O-O a6 15.
Ne5 h6 16. Qe2 Qb6 17. g4 Be8 18. g5 hxg5 19. Bxg5 Qd8 20. Kh1 Nd7 21. Nxd7 Qxd7
22. Rg1 f5 23. Rg3 Bxg5 24. Rxg5 Rc7 25. Rag1 Qd6 26. Qf3 Nc4 27. Ne2 Nxb2 28.
Nf4 Nxd3 29. Nxd3 Rf6 30. Nf4 Rh6 31. Qg3 Qe7 32. Kh2 a5 33. Nd3 Rh5 34. Rxh5
Bxh5 35. Nf4 Be8 36. Nxe6 Rc6 37. Qxg7+ Qxg7 38. Rxg7+ Kh8 39. Re7 Bh5 40. Kg3
b4 41. axb4 axb4 42. Kh4 Bd1 43. Kg5 Rb6 44. Nf4 Kg8 45. Ng6 1-0

