Author: Vincent Lejeune
Date: 12:07:48 09/15/05
Go up one level in this thread
As Ed Schroeder pointed out, 28.Ra7 is winning quickly ! Kasparov Gary (RUS) - Topalov Veselin (BUL), Wijk aan Zee 1999 b2r3r/4Rp1p/p2q1np1/1p1P4/kP1Q4/P4PPB/2P4P/1K6 w - - 0 1 chessengine with filled hash tables : 28.Ta7 Fb7 29.Txb7 Dxd5 30.Tb6 a5 31.Ta6 Ta8 32.De3 Txa6 33.Rb2 axb4 34.axb4 Da2+ 35.Rxa2 Rxb4+ 36.Rb2 Tc6 37.Ff1 Ra5 38.Da7+ Ta6 39.Dc5 Tb8 40.Dc3+ Rb6 41.Dxf6+ Ra7 +- (5.87) Profondeur: 15/30 00:00:10 4825kN On September 15, 2005 at 14:55:40, Vincent Lejeune wrote: >http://www.chessgames.com/perl/chessgame?gid=1011478 > >[Event "Wijk aan Zee"] >[Site "Wijk aan Zee"] >[Date "1999.??.??"] >[EventDate "?"] >[Round "4"] >[Result "1-0"] >[White "Kasparov Gary (RUS)"] >[Black "Topalov Veselin (BUL)"] >[ECO "B07"] >[WhiteElo "?"] >[BlackElo "?"] >[PlyCount "87"] > >1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 c6 6. f3 b5 7. Nge2 Nbd7 >8. Bh6 Bxh6 9. Qxh6 Bb7 10. a3 e5 11. O-O-O Qe7 12. Kb1 a6 >13. Nc1 O-O-O 14. Nb3 exd4 15. Rxd4 c5 16. Rdd1 Nb6 17. g3 Kb8 >18. Na5 Ba8 19. Bh3 d5 20. Qf4+ Ka7 21. Rhe1 d4 22. Nd5 Nbxd5 >23. exd5 Qd6 24. Rxd4 cxd4 25. Re7+ Kb6 26. Qxd4+ Kxa5 27. b4+ Ka4 >28. Qc3 Qxd5 29. Ra7 Bb7 30. Rxb7 Qc4 31. Qxf6 Kxa3 32. Qxa6+ Kxb4 >33. c3+ Kxc3 34. Qa1+ Kd2 35. Qb2+ Kd1 36. Bf1 Rd2 37. Rd7 Rxd7 >38. Bxc4 bxc4 39. Qxh8 Rd3 40. Qa8 c3 41. Qa4+ Ke1 >42. f4 f5 1-0 > >On September 15, 2005 at 04:30:38, Mark Young wrote: > >>On September 14, 2005 at 17:05:59, Ernst Walet wrote: >> >>>Because Zappa 1.1 is SMP and 64 bit, I gave it a try and was pleasant suprised. >>>One of my favourite chess positions is this one, where Kasparov played Rxd4. >>>How do other engines do? If your engine finds it please give it a couple of more >>>plies to see if it holds it. >> >>The better test for the engine in this position, is to see when the program see >>that Rxd4 is not winning. Since Rxd4 is only a draw with best play. >>This is why many programs will not play Rxd4, or drop the move with a longer >>search. >> >> >>> >>>Ernst. >>> >>> >>>[D]b2r3r/k4p1p/p2q1np1/NppP4/3p1Q2/P4PPB/1PP4P/1K1RR3 w - - >>> >>>CPU0: AuthenticAMD AMD64 Family 15 Model 43 Stepping 1 2203 MHz >>>CPU1: AuthenticAMD AMD64 Family 15 Model 43 Stepping 1 2203 MHz >>>GUI: Tablebases with 5 pieces found! [Cache: 16 MB + internal 13.67 MB] >>>Engine: Zappa 1.1 (1024 MB) >>>by Anthony Cozzie >>> 9.00 0:01 -0.23 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Rxc6 4.c3 dxc3 5.Re7+ Kb6 >>>6.bxc3 (2.190.136) 1401 >>> 10.00 0:01 -0.08 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Nd5 4.c3 dxc3 5.c7 f5 >>>(2.585.518) 1414 >>> 10.00 0:03 -0.08 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Nd5 4.c3 dxc3 5.c7 f5 >>>(4.590.886) 1498 >>> 11.00 0:03 -0.14 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Kb6 4.Re7 Kxc6 5.Rxf7 Re8 >>>6.c3 (5.088.000) 1507 >>> 11.00 0:05 -0.14 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Kb6 4.Re7 Kxc6 5.Rxf7 Re8 >>>6.c3 (8.923.952) 1568 >>> 12.00 0:07 -0.55 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Kb6 4.Re7 Kxc6 5.Rde1 Nd5 >>>6.Rxf7 b4 (12.367.553) 1567 >>> 12.00 0:17 -0.55 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Kb6 4.Re7 Kxc6 5.Rde1 Nd5 >>>6.Rxf7 b4 (28.349.537) 1621 >>> 13.00 0:19 -0.29 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Kb6 4.Re7 Kxc6 5.Rde1 Rf8 >>>6.f4 Nd7 7.b3 (31.282.737) 1623 >>> 13.00 0:32 -0.25 1.Rxd4 cxd4 2.Re7+ Kb6 3.Qxd4+ Kxa5 4.b4+ Ka4 5.Qc3 Bxd5 >>>6.Kb2 Qc5 7.bxc5 Rhe8 (53.481.819) 1643 >>> 13.00 0:40 -0.20 1.Rxd4 Bxd5 2.Qxd6 Rxd6 3.Rd3 Kb6 4.b4 Re8 5.Rxe8 Nxe8 >>>6.Rc3 cxb4 7.axb4 (67.094.549) 1676 >>> 13.00 0:41 -0.20 1.Rxd4 Bxd5 2.Qxd6 Rxd6 3.Rd3 Kb6 4.b4 Re8 5.Rxe8 Nxe8 >>>6.Rc3 cxb4 7.axb4 (69.988.250) 1676 >>> 14.00 1:27 -0.08 1.Rxd4 Rhf8 2.Qxd6 Rxd6 3.Rd2 Kb6 4.b4 Rxd5 5.Nb3 cxb4 >>>6.axb4 Rxd2 7.Nxd2 Re8 (150.876.641) 1721 >>> 14.00 1:46 -0.08 1.Rxd4 Rhf8 2.Qxd6 Rxd6 3.Rd2 Kb6 4.b4 Rxd5 5.Nb3 cxb4 >>>6.axb4 Rxd2 7.Nxd2 Re8 (183.700.881) 1719 >>> 15.00 2:49 -0.23 1.Rxd4 Bxd5 2.Rxd5 Nxd5 3.Qxf7+ Nc7 4.Re6 Rd7 5.Rxd6 Rxf7 >>>6.Nc6+ Ka8 7.Ne5 Re7 8.f4 Rhe8 (293.486.566) 1734 >>> 15.00 3:59 -0.23 1.Rxd4 Bxd5 2.Rxd5 Nxd5 3.Qxf7+ Nc7 4.Re6 Rd7 5.Rxd6 Rxf7 >>>6.Nc6+ Ka8 7.Ne5 Re7 8.f4 Rhe8 (412.069.282) 1721 >>> 16.00 7:20 -0.15 1.Rxd4 Rhg8 2.Qxd6 Rxd6 3.Rf4 Kb6 4.b4 cxb4 5.axb4 Nxd5 >>>6.Rxf7 Nxb4 7.Nb3 Bd5 8.Rxh7 Bxf3 (741.746.107) 1684 >>> 16.00 9:54 -0.15 1.Rxd4 Rhg8 2.Qxd6 Rxd6 3.Rf4 Kb6 4.b4 cxb4 5.axb4 Nxd5 >>>6.Rxf7 Nxb4 7.Nb3 Bd5 8.Rxh7 Bxf3 (991.280.574) 1666 >>>best move: Rd1xd4 time: 9:59.797 min n/s: 1.666.541 nodes: 991.280.574
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.