Author: Vincent Lejeune
Date: 15:15:54 05/05/04
In the article "Tactics from the Russian Team Champ" on the chessbase site ( http://www.chessbase.com/newsdetail.asp?newsid=1625 ) We can see this position : [D]r1r3k1/3n1b2/p1qp3Q/1p2p2p/4P3/1PP1BP2/2P5/1K1R1B2 w - - 0 29 with the comment "29.Bxb5!! ...this clearance sacrifice."; In fact Bxb5 is only the third best move, Chessmaster 9000 confirms that with the 3 best moves mode : Time Depth Score Positions Moves 4:48 1/13 Mate07 127988483 29.Bh3 Nf6 30.Qxf6 Qe8 31.Bh6 Qf8 32.Rg1+ Bg6 33.Qxg6+ Kh8 34.Bxf8 Rxf8 35.Qg7# 4:54 1/13 Mate08 130793582 29.Bc4 Qxc4 30.Rg1+ Bg6 31.Rxg6+ Kf7 32.Rg7+ Ke8 33.bxc4 Rc7 34.Qxh5+ Kd8 35.Qh8+ Nf8 36.Qxf8# 5:25 1/13 Mate15 145728017 29.Bxb5 Nf8 30.Rg1+ Bg6 31.Rxg6+ Nxg6 32.Qxg6+ Kh8 33.Bg5 d5 34.Bxc6 Rxc6 35.Qxc6 Rf8 36.Qh6+ Kg8 37.Qg6+ Kh8 38.Qxh5+ Kg8 39.Bh6 Kh7 40.Bxf8+ Kg8 41.Qh6 Kf7 42.Qg7+ Ke8 43.Qe7# And strange Shredder 8 : in the 3 best moves mode, here is what I get from 3rd to 20th minute : Analysis by Shredder 8: 1. +- (#200): 1.Fc4 Dxc4 2.bxc4 bxc4 3.Txd6 Fg6 4.Dxg6+ Rf8 2. +- (#175): 1.Fh3 Dxe4 2.Tg1+ Dg4 3.Fxg4 hxg4 4.Txg4+ Fg6 5.Txg6+ Rf7 6.Tg7+ Re8 3. +- (20.89): 1.Fxb5 Cf8 2.Tg1+ Fg6 3.Txg6+ Cxg6 4.Dxg6+ Rh8 5.Fg5 d5 6.Fxc6 Txc6 7.Dxc6 Tf8 8.Dh6+ Rg8 9.Dg6+ Rh8 10.Dxh5+ Rg8 11.Dg6+ Rh8 12.Ff6+ Txf6 13.Dxf6+ Rg8 14.exd5 e4 15.d6 I hope SMK will improve the evaluation of the depth of mate in Shredder 9 !
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