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44th Biel Chess Festival 2011 (7)

Magnus Carlsen's winning form in Biel continues against Shirov in Round 7

Alexei Shirov lost to Magnus Carlsen. Photo ©

Alexei Shirov lost to Magnus Carlsen. Photo © | http://www.bielchessfestival.ch

Magnus Carlsen continues to score heavily at the 44th Biel Chess Festival after beating Alexei Shirov with black. Shirov seemed content to subdue Carlsen but nevertheless the Norwegian found some tricks which were sufficient to get Shirov to blunder. Alexander Morozevich had a fairly straightforward win against Maxime Vachier-Lagrave and Fabiano Caruana ground down Yannick Pelletier. Round 8: Wednesday July 27th: 1pm UK time: Vachier-Pelletier, Caruana-Shirov and Carlsen-Morozevich.

Alexei Shirov 0-1 Magnus Carlsen

Alexei Shirov lost to Magnus Carlsen

Alexei Shirov lost to Magnus Carlsen. Photo © Biel Chess Festival 2011

Shirov kept things quite restrained and under control before the first time control but Carlsen still found a way to create problems. Shirov is normally quite good in the type of position they got after move 40 but he blundered with 46.e5 after which there wasn't really a way back.

Shirov,Alexei - Carlsen,Magnus [C65]
Biel ACCENTUS GM Biel SUI (7), 26.07.2011

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Bc5 5.c3 0-0 6.Bg5 h6 7.Bh4 Be7 8.Nbd2 d6 9.Nf1

[9.Bg3 Nh5 10.0-0 Nxg3 11.hxg3 Bf6 12.Re1 Ne7 13.d4 c6 14.Bd3 Bg4 15.Qc2 Qc7 16.a4 a5 17.Bc4 h5 18.Ba2 Rad8 19.Rad1 Ng6 20.Nc4 h4 21.Ne3 Qc8 22.Nxg4 Qxg4 23.Nh2 Qh5 24.gxh4 Nxh4 25.Qe2 Qxe2 26.Rxe2 exd4 27.cxd4 c5 28.g3 Ng6 29.dxc5 dxc5 30.Rd5 Rxd5 31.Bxd5 Ne7 32.Bc4 Nc6 33.Ng4 Bd4 34.Kg2 Ne5 35.f4 Re8 1-0 Fedorchuk,S (2641)-Bindrich,F (2512)/Cappelle la Grande FRA 2010/The Week in Chess 798]

9...Nb8 10.Ne3 Ng4 11.Bg3 Nxe3 12.fxe3 Nd7 13.d4 Nf6 14.Bd3 Ng4 15.Qe2 Bg5 16.dxe5 dxe5 17.Bxe5 Bh4+ 18.g3 Nxe5 19.Nxe5 Bf6 20.Nf3 Qe7 21.0-0-0 c6 22.Nd4 a6 23.Rhf1 c5 24.Nf5 Bxf5 25.Rxf5 b5 26.Bc2 c4 27.Rfd5 Be5 28.Qh5 Rae8 29.a3 Qa7 30.Kd2 Qb8 31.Ke2 Re6 32.Qh4 Qb6 33.Rd8 Ree8 34.Rxe8 Rxe8 35.Rd5 Qc7 36.a4 Qb6 37.axb5 axb5 38.Qh5 Qb8 39.Rd7 g6 40.Qf3

Shirov has kept things quite restrained and under control before the first time control but Carlsen still found a way to create problems.

[40.Qxh6 is also playable. 40...b4 41.Qh3 bxc3 42.Qf1 Rf8 43.bxc3 Qb2 44.Qd1]

40...Rf8 41.Kf2 b4 42.Qe2 bxc3 43.bxc3 Qc8 44.Qd2 Bxc3 45.Qd5 Qa6

Magnus Carlsen

_____rk_
___R_p__
q_____pp
___Q____
__p_P___
__b_P_P_
__B__K_P
________

Alexei Shirov

Position after 45...Qa6

46.e5?

Its hard to believe but this is almost losing. This is because of the vulnerability of the bishop on c2. Moving the white king or bishop and white's counterplay works. Now he loses the e-pawn without compensation.

[46.Kf3 Qa2 47.Bd3; 46.Bd1 Bb4 47.e5 Qe6 48.Qxe6 fxe6+ 49.Ke2]

46...Qa2 47.Qe4 Bxe5 48.h4 Re8 49.Kg2 h5 50.Kh3 c3 51.Rd5

[51.Qd5 Qxd5 52.Rxd5 Bg7 53.Rd3 doesn't really have much chance of success.]

51...Qa6 52.Bd3 Qc8+ 53.Kg2 Bg7 54.Rc5 Qd7 55.Qc4 Rxe3 56.Rc7 Rxg3+ 57.Kxg3 Be5+ 58.Kf2 Qxc7 59.Qxc7 Bxc7 60.Kf3

Black is easily winning.

0-1

Alexander Morozevich 1-0 Maxime Vachier-Lagrave

Alexander Morozevich against Maxime Vachier-Lagrave

Alexander Morozevich against Maxime Vachier-Lagrave. Photo © Biel Chess Festival 2011

Alexander Morozevich won the first game of the day to finish against Maxime Vachier-Lagrave. Vachier's Gruenfeld seemed to be doing fine for some time but it was only with the even rather obvious 21...Be6 instead of say 21...Ng7 which more or less commited him to an exchange sacrifice which led directly to the loss several moves later.

Yannick Pelletier 0-1 Fabiano Caruana

Yannick Pelletier lost to Fabiano Caruana

Yannick Pelletier lost to Fabiano Caruana. Photo © Biel Chess Festival 2011

Fabiano Caruana slowly outplayed Yannick Pelletier on the black side of a Gruenfeld. Eventually his a-pawn proved too difficult for his opponent to deal with.

Note that the organisers are using three points for a win and one for a draw.

Biel ACCENTUS GM 2011 Biel (SUI), 18-29 vii 2011 cat. XIX (2709)
1 2 3 4 5 6
1. Carlsen, Magnus g NOR 2821 * * ½ . 0 . 1 1 1 . 1 1 16 2906
2. Morozevich, Alexander g RUS 2694 ½ . * * 1 1 ½ ½ 1 . ½ . 13 2871
3. Vachier-Lagrave, Maxime g FRA 2722 1 . 0 0 * * ½ . ½ ½ ½ . 7 2655
4. Shirov, Alexei g ESP 2714 0 0 ½ ½ ½ . * * 1 . ½ . 7 2671
5. Caruana, Fabiano g ITA 2711 0 . 0 . ½ ½ 0 . * * ½ 1 6 2591
6. Pelletier, Yannick g SUI 2590 0 0 ½ . ½ . ½ . ½ 0 * * 4 2584

Round 7 (July 26, 2011)
Morozevich, Alexander - Vachier-Lagrave, Maxime 1-0 43 D97 Gruenfeld Russian
Shirov, Alexei - Carlsen, Magnus 0-1 60 C65 Ruy Lopez Berlin
Pelletier, Yannick - Caruana, Fabiano 0-1 66 D85 Gruenfeld Defence

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