Author: Terry Ripple
Date: 06:45:19 10/12/02
Go up one level in this thread
On October 11, 2002 at 14:28:50, John Merlino wrote: >On October 11, 2002 at 05:33:22, Igor Gorelikov wrote: > >>I was amazed when Kramnik has played 23.Bxc6? >> >>The position is winning for White. >> >>The black pieces are pinned. White can make his position stronger and >>stronger. >> >>My first thought was 23.Kf1 to provide better position for king. But it's too >>passive and first White has to move his pawns with either a2-a4 or f2-f4. >> >>My single explanation: Kramnik has mercy for Fritz. >> >>The game: >> >>[Event "Brains in Bahrain"] >>[Site "Manama BAH"] >>[Date "2002.10.10"] >>[Round "4"] >>[White "Kramnik,V"] >>[Black "DEEP FRITZ"] >>[Result "1/2-1/2"] >>[WhiteElo "2807"] >>[EventDate "2002.10.04"] >>[ECO "D34"] >> >>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. Bf4 Bg4 12. h3 Be6 13. Rc1 Re8 14. Nxe6 >>fxe6 15. e4 d4 16. e5 dxc3 17. exf6 Bxf6 18. bxc3 Qxd1 19. Rfxd1 Rad8 20. >>Be3 Rxd1+ 21. Rxd1 Bxc3 22. Rd7 Rb8 23. Bxc6 bxc6 24. Rxa7 Rb2 25. Ra6 Bd2 >>26. Rxc6 Bxe3 27. fxe3 Kf7 28. a4 Ra2 29. Rc4 Kf6 30. Kf1 g5 31. h4 h5 32. >>hxg5+ Kxg5 33. Ke1 e5 34. Kf1 Kf5 35. Rh4 Kg6 36. Re4 Kf5 37. Rh4 Kg5 38. >>Kg1 Kg6 39. g4 hxg4 40. Rxg4+ Kf5 41. Rc4 1/2-1/2 > >[D]1r4k1/pp1R2p1/2n1p2p/8/8/2b1B1PP/P4PB1/6K1 w - - 0 23 > >In this position, Chessmaster 9000, on a P4-2.66, switches from Bxc6 to Kf1 >after 11 seconds. But it then switches back to Bxc6 after 8:31.... > >Time Depth Score Positions Moves >0:00 1/3 0.27 1304 23.Bxc6 bxc6 24.Rxa7 Rb1+ 25.Kg2 > Rb2 >0:00 1/4 0.29 3635 23.Bxc6 bxc6 24.Rxa7 e5 25.Rc7 > Rb1+ 26.Kg2 >0:00 1/5 0.33 13620 23.Bxc6 bxc6 24.Rxa7 Rb2 25.a4 Ra2 >0:00 1/6 0.52 47273 23.Bxc6 bxc6 24.Rxa7 Rb1+ 25.Kg2 > Rb2 26.Ra6 Bd2 27.Bxd2 Rxd2 28.Rxc6 > Rxa2 29.Rxe6 >0:00 1/7 0.52 72089 23.Bxc6 bxc6 24.Rxa7 Rb1+ 25.Kg2 > Rb2 26.Ra6 Bd2 27.Bxd2 Rxd2 28.Rxc6 > Rxa2 29.Rxe6 >0:00 1/8 0.41 150919 23.Bxc6 bxc6 24.Rxa7 e5 25.a4 Bd4 > 26.Rd7 Bxe3 27.fxe3 Ra8 >0:01 2/9 0.18 451589 23.Bxc6 bxc6 24.Rxa7 e5 25.a4 Bd4 > 26.Rd7 Bxe3 27.fxe3 Ra8 28.Re7 > Rxa4 29.Rxe5 >0:09 3/10 0.18 2513719 23.Bxc6 bxc6 24.Rxa7 e5 25.a4 Bd4 > 26.Rd7 Bxe3 27.fxe3 Ra8 28.Re7 > Rxa4 29.Rxe5 >0:11 3/10 0.24 2996110 23.Kf1 a5 24.a4 Kh7 25.Ke2 Kg6 > 26.f4 Kf6 27.Bc5 Bb4 >0:31 4/11 0.28 8256089 23.Kf1 a5 24.a4 Kh7 25.Be4+ Kg8 > 26.Ke2 g5 27.Bc5 Rc8 28.Rxb7 Nd4+ > 29.Bxd4 Bxd4 >1:34 5/12 0.31 25934731 23.Kf1 a5 24.a4 Kf8 25.Bc5+ Ke8 > 26.Rc7 Bf6 27.f4 Bc3 28.Bxc6+ bxc6 > 29.Re7+ Kd8 30.Rxe6 Kd7 >5:15 6/13 0.29 88996276 23.Kf1 a5 24.a4 Bf6 25.Bf4 Be5 > 26.Bd2 Bf6 27.Ke1 Kf8 28.f4 g5 > 29.Bxc6 bxc6 30.fxg5 >8:31 6/13 0.32 147086946 23.Bxc6 bxc6 24.Rxa7 Rc8 25.Ra3 > Bb2 26.Rb3 Bf6 27.Rb6 Kf7 28.Rb7+ > Ke8 29.a4 Ra8 30.Ba7 Rd8 >13:55 7/14 0.30 252083401 23.Bxc6 bxc6 24.Rxa7 Rc8 25.Ra3 > Bb2 26.Rb3 Bf6 27.Bc5 Ra8 28.a3 > Ra5 29.Rb8+ Kf7 30.Bb4 Ra4 31.Rb7+ > Kg6 > >jm From the looks of the thinking time, CM9000 would have actually played 23.Kf1 with the time control they were using for the match! Terry
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