Author: John Merlino
Date: 19:04:51 11/18/04
Go up one level in this thread
On November 18, 2004 at 21:32:12, Mike Byrne wrote: >Crafty Classic 2004 has 4 new personalities - Anand , Chigorin, Kramnik and >Leko. > >Amazingly, the Leko personality find this Leko drawing move, 46... f4! played >in the 2004 World Championship relatively quickly and follow the line played in >the game for several moves. (Note: Standard Crafty 19.17 finds f4! as well , >just one ply deeper.) > >White(1): [d]8/8/1R1p4/1P1k2p1/2p3P1/5PK1/1P2r3/8 w - - 1 46 The Leko personality in CM9000 also finds it -- immediately -- and doesn't consider anything else. This is on an AMD 2500: Time Depth Score Positions Moves 0:00 1/5 -0.95 1503 46.f4 Rxb2 47.f5 c3 48.Rc6 0:00 2/6 -0.44 6700 46.f4 Re3+ 47.Kf2 gxf4 48.Rb8 Rb3 49.Rd8 Rxb2+ 50.Kf3 0:00 3/7 -0.37 17187 46.f4 Rxb2 47.f5 c3 48.Rc6 c2 49.Rc8 Rb3+ 50.Kf2 0:00 4/8 -0.22 41599 46.f4 gxf4+ 47.Kxf4 Rxb2 48.g5 Rb1 49.Rc6 Rxb5 50.Rc8 Rc5 0:00 5/9 -0.11 131039 46.f4 gxf4+ 47.Kxf4 Rf2+ 48.Ke3 Rxb2 49.g5 Ke5 50.Rb7 d5 51.Re7+ Kf5 0:01 6/10 -0.08 305935 46.f4 gxf4+ 47.Kxf4 Rf2+ 48.Ke3 Rg2 49.Rb8 Rxg4 50.Kf3 Rg7 51.Rd8 Kc5 0:02 7/11 0.00 763607 46.f4 gxf4+ 47.Kxf4 Rf2+ 48.Ke3 Rg2 49.Kf4 Rxb2 50.g5 Rf2+ 51.Ke3 Rg2 52.Rc6 Rg3+ 53.Kf4 Rg1 0:06 8/12 -0.14 2103841 46.f4 gxf4+ 47.Kxf4 Rxb2 48.Rb8 Kd4 49.g5 Rb1 50.Rc8 d5 51.Kf5 Rf1+ 52.Ke6 Re1+ 53.Kf5 Re5+ 54.Kf4 Rxg5 0:20 9/13 -0.29 6079389 46.f4 Re3+ 47.Kf2 Re4 48.f5 Rxg4 49.Rc6 Rf4+ 50.Kg3 Rxf5 51.Rc7 Kd4 52.b6 Rb5 53.b7 Rxb2 0:52 10/14 -0.20 15830765 46.f4 Re3+ 47.Kf2 Re4 48.fxg5 Rxg4 49.Rc6 Rxg5 50.b3 cxb3 51.Rc3 b2 52.Rb3 Rh5 53.b6 Rh2+ 54.Kg3 2:16 11/15 -0.62 41187668 46.f4 Re3+ 47.Kf2 gxf4 48.Rb7 Rg3 49.b6 Rxg4 50.Rf7 Kc6 51.b7 Rg8 52.Rxf4 d5 53.b3 Kxb7 54.bxc4 jm
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