Author: Vincent Lejeune
Date: 01:52:28 08/06/04
Go up one level in this thread
On August 05, 2004 at 19:42:24, Albert Silver wrote: >The following position arose in Kasparov-Andersson, Tilburg, 1981. Kasparov, >only 18 at the time, played a brilliant pawn sac that left Andersson unable to >develop and to his loss in spectacular fashion. It is a difficult move to find, >and I am not even sure whether any engine will, yet it is unquestionably the >best move. > > Albert > >[D]r2qkb1r/n1pp1pp1/4p1bp/1p6/1P1P3P/P3P1P1/1B1N1P2/R2QKB1R w KQkq - > >14.d5 is the move here. Later Gary began the saccing (pieces this time) in the >following position: > >[D]2nq3r/r2pbkp1/2p2p1p/1p5P/1P2N1Q1/P5P1/1B3P2/3RR1K1 w - - > >He played 24.Nxf6, though there is probably more than one win at this point. Shredder (as crafty) think 24.Nxf6 is a blunder It give +5 to Bd4 and when you follow this line the score rise to +7 Amd@3000+, 384 MB hash Analysis by Shredder 8: ... 1.Fd4 Tc7 2.Cc5 Fd6 3.Ca6 +- (4.31) Profondeur: 15/33 00:00:19 7614kN 1.Fd4 Tc7 2.Cc5 Fd6 3.Fe3 Fxc5 4.Dg6+ Rf8 5.Fxc5+ De7 +- (4.56) Profondeur: 16/42 00:00:47 20416kN 1.Fd4 Tc7 2.Cc5 Fd6 3.Fe3 Fxc5 4.Dg6+ Rf8 5.Fxc5+ De7 6.Fxe7+ Rg8 7.Dd3 Ta7 8.f4 Txa3 +- (5.06) Profondeur: 16/42 00:00:55 23622kN 1.Fd4 c5 2.bxc5 Rf8 3.Dxd7 Dxd7 4.Fxf6 Fxf6 5.Cxf6 gxf6 6.Te8+ Rxe8 7.Te1+ Ce7 8.Txe7+ +- (5.06) Profondeur: 16/46 00:03:27 86315kN 1.Fd4 c5 2.Cxc5 Cb6 3.Ce6 Txa3 4.Cxd8+ Txd8 5.Fxb6 Fxb4 6.Fxd8 Txg3+ 7.fxg3 Rg8 +- (5.31) Profondeur: 17/44 00:05:25 133464kN 1.Fd4 Tc7 2.Cc5 Fd6 3.Fe3 g5 4.hxg6+ Rg7 5.Ff4 f5 6.Dxf5 Tf8 7.Fxd6 Txf5 8.Fxc7 Dxc7 9.Txd7+ Dxd7 10.Ca6 Rxg6 +- (5.31) Profondeur: 17/49 00:06:58 173239kN after 24.Nxf6 gxf6 25.Qg6+ Kf8 26.Bc1 the 2 best moves after 3 min depth 16/45 Analysis by Shredder 8: 1. +- (2.64): 3...De8 4.Fxh6+ Txh6 5.Dxh6+ Rf7 6.Dh7+ Rf8 7.h6 Df7 8.Df5 Cd6 2. +- (3.83): 3...d5 4.Td4 f5 5.Fxh6+ Txh6 6.Dxh6+ Rg8 7.Dxc6 Cd6 8.Dxd5+ Rg7 9.Txe7+ Dxe7 10.Dxd6 De8 11.Db6 Te7 12.Tg4+ fxg4 13.h6+ Rf8 14.Dxb5 After some move the eval continue to rise There's no evidence that 24.Nxf6 is better than Bd4 > >[Event "It"] >[Site "Tilburg (Netherlands)"] >[Date "1981"] >[Round ""] >[White "Kasparov Garry (RUS)"] >[Black "Andersson Ulf (SWE)"] >[Result "1-0"] >[Eco "E12"] >[Annotator ""] >[Source ""] > >1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 Ne4 6.Nxe4 Bxe4 7.Nd2 >Bg6 8.g3 Nc6 9.e3 a6 10.b4 b5 11.cxb5 axb5 12.Bb2 Na7 13.h4 h6 >14.d5 exd5 15.Bg2 c6 16.O-O f6 17.Re1 Be7 18.Qg4 Kf7 19.h5 Bh7 >20.e4 dxe4 21.Bxe4 Bxe4 22.Nxe4 Nc8 23.Rad1 Ra7 24.Nxf6 gxf6 >25.Qg6+ Kf8 26.Bc1 d5 27.Rd4 Nd6 28.Rg4 Nf7 29.Bxh6+ Ke8 30.Bg7 1-0
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