Friday, September 11, 2009

Week 2 - Computer Analysis

Rybka 3 on Intel i7 overclocked to 4GHz - 3 minutes per move

Jones,Craig (2275) - Krasik,Ilya (2252) [D45]
Boston vs Carolina Internet Chess Club (2), 09.09.2009

1.d4 d5 2.c4 e6 3.Nc3 c6 4.e3 Nf6 5.Nf3 dxc4
6.Bxc4 b5 7.Bd3 Nbd7 8.0-0 Bb7 9.e4 b4
10.Na4 c5 11.e5 Nd5 12.dxc5 Nxc5 13.Bb5+ Nd7
14.Bg5 Qa5 15.Nd4 a6 16.Bxd7+ Kxd7 17.a3 score +0.58)
(17. Rc1 score = +0.74 = 74% of a pawn)
(17. f4 h6 18. Bh4 g6 19. a3 Rc8 20. axb4 Bxb4
21. Rf3 Ke8 22. Nc3 Qb6 23. Ne4 Kf8 24. Bf2
score +0.37 = 37% of a pawn 26 ply search).
17. ... Rc8
18.Qf3 score = + 0.32
(18. Qb3 or ab +0.58)
18. ... Ke8 19.axb4 Qxb4 20.Rfd1 score = +0.08 8% of a pawn
20. ... h6 21.Qh3?? score -1.39 = white down 139% of a pawn
(21. Be3 g5 22. Qg3 Bg7 23. b3 Rg8 24. Rac1 Rxc1 25. Bxc1 Qa5
26. Bd2 Qc7 27. Nf3 Ne7 score +0.09 = 9% of a pawn for white)
21. ... hxg5
22.Qxh8 Nf4 23.f3 score = -4.25 white down approx 4.25 pawns
(23. Nc3 score = -1.39)
23. ...Rc4 24.Nb3 Rc2 25.Nac5 Rxg2+
26.Kh1 Ng6 27.Qh3 g4
28.Nxa6?? score= -9.32 white down more than a queen
(28. Rd8+ Kxd8 29. 29. Nxb7 (29. Qxg2?? Bxf3 30. Qxb3
fxg4 score= -2.48)
28. ... gxh3 29.Nxb4 Bxb4
30.Rac1 Rxb2 31.Nd4 Nxe5 32.Rb1 Bc3 33.Nb5 Bxf3+
34.Kg1 Rg2+

No comments: