Author: John Merlino
Date: 10:26:44 02/25/03
Go up one level in this thread
On February 25, 2003 at 04:16:25, Jorge Pichard wrote: > >Can any program find the winning move from the position Kasparov vs Leko >50...Kg7? or is there a better move. I think that some program will find the >winning move here. > >http://www.chessbase.com/games/2003/03lin03.htm Chessmaster 9000, on a P3-733, does choose 50...Kg7 from 2 through 18 seconds. It then switches to 50...g5 with a noticeably higher score: Time Depth Score Positions Moves 0:00 1/4 -1.60 4583 1...g5 2.Kb1 Bxb2 3.Qb8+ Kg7 4.Qxb2 0:00 1/5 -1.88 12460 1...g5 2.Ka2 Bxb2 3.Qxb2 Qc4+ 4.Ka3 Qxe4 5.Qb8+ Kh7 0:00 1/6 -1.88 24655 1...g5 2.Ka2 Bxb2 3.Qxb2 Qc4+ 4.Ka3 Qxe4 5.Qb8+ Kh7 0:00 1/7 -1.89 56289 1...g5 2.Ka2 Bxb2 3.Qxb2 Qc4+ 4.Ka3 Qxe4 5.Qb8+ Kh7 6.a5 0:01 1/8 -1.67 122838 1...g5 2.Ka2 Bxb2 3.Qxb2 Qc4+ 4.Ka3 Qxe4 5.Qb8+ Kh7 6.a5 Qd3+ 7.Ka4 f5 0:02 1/8 -1.78 211227 1...Kg7 2.Ka2 Bxb2 3.Qxb2 Qc4+ 4.Ka3 Qxe4 5.a5 Qd3+ 6.Qb3 Qd6+ 7.Qb4 Qa6 0:04 2/9 -1.99 350709 1...Kg7 2.Qb3 Bxb2+ 3.Qxb2 Qe1+ 4.Qb1 Qd2 5.Qb5 Qd4+ 6.Ka2 Qxe4 7.a5 f5 0:15 3/10 -1.71 1352818 1...Kg7 2.Ka2 Bxb2 3.Qxb2 Qc4+ 4.Ka3 Qxe4 5.a5 Qd3+ 6.Qb3 Qd6+ 7.Qb4 Qa6 8.Qb6 0:19 3/10 -2.28 1716582 1...g5 2.Ka2 Bxb2 3.Qb8+ Kg7 4.Qxb2 Qc4+ 5.Ka3 Qxe4 6.a5 g4 7.Qh2 0:34 4/11 -2.29 3150260 1...g5 2.Ka2 Bxb2 3.Qb8+ Kg7 4.Qxb2 Qc4+ 5.Ka3 Qxe4 6.a5 g4 7.Qc3 f5 8.a6 1:23 5/12 -2.43 8003724 1...g5 2.Ka2 Bxb2 3.Qb8+ Kg7 4.Qxb2 Qc4+ 5.Ka3 Qxe4 6.a5 g4 7.Qd2 Qf3+ 8.Ka2 f5 9.a6 4:42 6/13 -2.42 27033692 1...g5 2.Ka2 Bxb2 3.Qb8+ Kg7 4.Qxb2 Qc4+ 5.Ka3 Qxe4 6.Qd2 Qf3+ 7.Kb2 Qb7+ 8.Kc1 Qc6+ 9.Qc2 Qh1+ 10.Qd1 Qa8 jm
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