Author: John Merlino
Date: 11:14:39 02/27/02
Go up one level in this thread
On February 27, 2002 at 08:05:06, José Antônio Fabiano Mendes wrote: > Source ==> http://209.176.8.36/hans/hans.htm > I wonder what the chess programs could uncover here. JAFM > [D]1k6/pp3p2/5P2/1p6/1p6/1P6/7P/1K6 w With White to move, Chessmaster 8000 says this (note the promotion to a knight as promoting to a queen is a draw, but the knight promotion allows Ng6! forcing the black pawn to capture and allow the f6 pawn to promote. So the Black King must come back to defend....): Time Depth Score Positions Moves 0:00 6/7 5.65 2577 1.h4 a5 2.h5 a4 3.h6 a3 4.h7 a2+ 5.Kxa2 0:00 7/8 6.67 5190 1.h4 Kc7 2.h5 Kd6 3.h6 Ke5 4.h7 Kxf6 5.h8=Q+ Kg6 6.Qe5 0:00 8/9 6.67 7643 1.h4 Kc7 2.h5 Kd6 3.h6 Ke5 4.h7 Kxf6 5.h8=Q+ Kg6 6.Qe5 0:00 9/10 7.27 13301 1.h4 Kc7 2.h5 a6 3.h6 a5 4.h7 a4 5.h8=Q axb3 6.Kb2 0:00 10/11 2.18 31681 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc5 7.Ne5 0:00 11/12 2.12 39605 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc5 7.Ne5 Kd6 0:00 12/13 2.21 49279 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Ne5 Kd6 8.f7 0:00 13/14 2.17 65900 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Ne5 Kd6 8.f7 Ke7 9.Kc2 0:00 14/15 2.26 95039 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Ne5 Kd6 8.Kc2 a5 9.f7 0:01 15/16 2.21 146787 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Ne5 Kd6 8.Kc2 a5 9.f7 Ke7 10.Kd3 0:02 16/17 2.21 239044 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Ne5 Kd6 8.Kc2 a5 9.f7 Ke7 10.Kd3 0:03 17/18 2.22 393055 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Ne5 Kd6 8.Kc2 a5 9.f7 Ke7 10.Kd3 a4 0:05 18/19 2.00 661031 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Kc2 a5 8.Ng5 Kd6 9.Nh7 Ke6 10.Kd3 a4 0:09 19/20 1.51 1050117 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Kc2 a5 8.Ng5 Kd6 9.Kb2 a4 10.Ka2 a3 11.f7 Ke7 0:14 20/21 1.50 1629110 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Kc2 a5 8.Ne5 Kd6 9.Kd3 a4 10.f7 Ke7 11.Kd2 axb3 12.Kc1 0:21 21/22 1.44 2501613 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Kc2 a5 8.Ne5 Kd6 9.Kd3 a4 10.Kc2 a3 11.Kb1 Ke6 12.f7 Ke7 13.Ka2 0:33 22/23 1.44 3938879 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Kc2 a5 8.Ne5 Kd6 9.Kd3 a4 10.Kc2 a3 11.Kb1 Ke6 12.f7 Ke7 13.Ka2 0:52 23/24 1.43 6130384 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Kc2 a5 8.Ne5 Kd6 9.Kd3 a4 10.Kc2 Ke6 11.f7 Ke7 12.Kb2 a3+ 13.Kb1 Kf8 14.Ka2 1:27 24/25 1.56 10131135 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Ne5 Kd6 8.Nd3 Ke6 9.Nxb4 Kxf6 10.Nd3 a5 11.Nc5 a4 12.b4 b6 13.Nd7+ Ke6 14.Nxb6 2:25 25/26 1.60 16658264 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Ne5 Kd6 8.Nd3 Ke6 9.Nxb4 Kxf6 10.Nd3 b6 11.Nb4 a5 12.Nd5+ Ke5 13.Nxb6 a4 14.b4 a3 15.Ka2 5:10 26/27 1.64 33903636 1.h4 Kc7 2.h5 a6 3.h6 Kb6 4.h7 Ka5 5.h8=N Kb6 6.Nxf7 Kc7 7.Ne5 Kd6 8.Nd3 Ke6 9.Nxb4 Kxf6 10.Nd3 b6 11.Nb4 a5 12.Nd5+ Ke5 13.Nxb6 a4 14.b4 a3 15.Nd7+ Ke6 > [D]1k6/pp3p2/5P2/1p6/1p6/1P6/7P/1K6 b With Black to move, Black wins easily: Time Depth Score Positions Moves 0:00 2/3 -3.36 71 1...Kc7 2.h4 Kd6 3.h5 0:00 3/4 -3.58 145 1...Kc7 2.h4 Kd6 3.h5 Ke5 0:00 4/5 -3.58 337 1...Kc7 2.h4 Kd6 3.h5 Ke5 0:00 5/6 -5.10 950 1...Kc7 2.h4 Kd6 3.h5 Ke5 4.h6 Kxf6 0:00 6/7 -4.99 1888 1...Kc7 2.h4 Kd6 3.h5 Ke5 4.h6 Kxf6 5.Kc2 0:00 7/8 -5.03 3071 1...Kc7 2.h4 Kd6 3.h5 Ke5 4.h6 Kxf6 5.Kc2 Kg6 0:00 8/9 -5.03 4798 1...Kc7 2.h4 Kd6 3.h5 Ke5 4.h6 Kxf6 5.Kc2 Kg6 0:00 9/10 -5.38 9242 1...Kc7 2.h4 Kd6 3.Kc2 Ke5 4.Kd3 Kxf6 5.Kd4 Kg6 6.Ke4 f5+ 7.Kf4 0:00 10/11 -5.34 14516 1...Kc7 2.h4 Kd6 3.Kc2 Ke5 4.Kd3 Kxf6 5.Ke4 Kg6 6.Kf4 f5 0:00 11/12 -6.17 30156 1...Kc7 2.h4 Kd6 3.Kc2 Ke5 4.Kd2 a5 5.Kd3 a4 6.h5 axb3 7.h6 Kxf6 0:00 12/13 -6.28 51916 1...Kc7 2.h4 Kd6 3.Kc2 Ke5 4.Kd2 a5 5.Kc2 Kxf6 6.Kd3 a4 7.bxa4 bxa4 8.h5 Ke5 0:01 13/14 -6.90 136283 1...Kc7 2.Kc2 Kd6 3.Kd3 Ke5 4.Kc2 Kxf6 5.Kd2 a5 6.Kd3 Ke5 7.h3 a4 8.bxa4 bxa4 0:02 14/15 -7.08 250026 1...Kc7 2.Kc2 Kd6 3.Kd3 a5 4.h4 Ke5 5.Kd2 Kxf6 6.Ke3 Kg6 7.Kf4 a4 8.Ke3 axb3 0:04 15/16 -8.31 531023 1...Kc7 2.Kc2 Kd6 3.Kd3 a5 4.h4 Ke5 5.h5 Kxf6 6.h6 Kg6 7.Ke3 Kxh6 8.Ke4 a4 9.bxa4 bxa4 0:08 16/17 -8.48 980563 1...Kc7 2.Kc2 Kd6 3.Kd3 a5 4.h4 Ke5 5.h5 Kxf6 6.h6 Kg6 7.Ke3 Kxh6 8.Ke4 a4 9.bxa4 bxa4 10.Kd4 b3 0:20 17/18 -8.59 2265541 1...Kc7 2.Kc2 Kd6 3.Kd3 a5 4.h4 Ke5 5.h5 Kxf6 6.h6 Kg6 7.Ke3 Kxh6 8.Ke4 Kg5 9.Kd3 a4 10.bxa4 bxa4 0:54 18/19 -9.24 5817994 1...Kc7 2.Kc2 Kd6 3.Kd3 a5 4.h4 Ke5 5.h5 Kxf6 6.h6 Kg6 7.Kd4 a4 8.bxa4 bxa4 9.Kc4 Kxh6 10.Kxb4 Kg5 11.Kxa4 f5 jm
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