Author: John Merlino
Date: 09:04:43 01/26/06
Go up one level in this thread
On January 26, 2006 at 10:21:17, Eduard Nemeth wrote: >Matt in 20 moves, composition by Eduard Nemeth 2002: > >[D]B2k4/KPpP4/n1Pb4/P5p1/5p2/5P2/8/8 b - - 0 1 > >Analysis by Rybka 1.01 Beta 13 32-bit: > >1...Sb8 2.Kxb8 Lc5 3.a6 Ld4 4.a7 Lf6 > = (0.00) Tiefe: 27 00:01:01 1464kN >1...Sb8 2.Kxb8 Lc5 3.a6 Ld4 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1D 8.g7 > -+ (-319.61) Tiefe: 28 00:02:49 2968kN > >(Nemeth, Privat 26.01.2006) > >Rybka 1.01 Beta 13 finds it on my slow PC after 2:49. > >Which says other programs? CM 10th (Default) on a P4-2.4 finds it in just under one minute: Time Depth Score Positions Moves 0:00 8/11 -3.82 62104 1...Nb8 2.Kxb8 Bc5 3.a6 Bb6 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1=Q 8.g7 Bxa7+ 9.Kxa7 Qa1+ 10.Kb8 Qxg7 11.Ka7 Qa1+ 12.Kb8 Qb2 13.Ka7 Qb6+ 14.Kb8 Qxc6 0:00 9/12 -5.65 103996 1...Nb8 2.Kxb8 Bc5 3.a6 Bb6 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1=Q 8.g7 Bxa7+ 9.Kxa7 Qa1+ 10.Kb8 Qxg7 11.Ka7 Qa1+ 12.Kb8 Qb2 13.Ka7 Qb6+ 14.Kb8 Qxc6 15.Ka7 Qb6+ 16.Kb8 Kxd7 0:00 10/13 -5.65 200016 1...Nb8 2.Kxb8 Bc5 3.a6 Bb6 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1=Q 8.g7 Bxa7+ 9.Kxa7 Qa1+ 10.Kb8 Qxg7 11.Ka7 Qa1+ 12.Kb8 Qb2 13.Ka7 Qb6+ 14.Kb8 Qxc6 15.Ka7 Qb6+ 16.Kb8 Kxd7 0:01 11/14 -5.64 432967 1...Nb8 2.Kxb8 Bc5 3.a6 Bb6 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1=Q 8.g7 Bxa7+ 9.Kxa7 Qa1+ 10.Kb8 Qxg7 11.Ka7 Qa1+ 12.Kb8 Qb2 13.Ka7 Qb6+ 14.Kb8 Qxc6 15.Ka7 Qb6+ 16.Kb8 Qb3 17.Ka7 Qe3+ 18.Kb8 Kxd7 0:04 12/15 -5.64 936254 1...Nb8 2.Kxb8 Bc5 3.a6 Bb6 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1=Q 8.g7 Bxa7+ 9.Kxa7 Qa1+ 10.Kb8 Qxg7 11.Ka7 Qa1+ 12.Kb8 Qb2 13.Ka7 Qb6+ 14.Kb8 Qxc6 15.Ka7 Qb6+ 16.Kb8 Qb3 17.Ka7 Qe3+ 18.Kb8 Kxd7 0:09 13/16 -5.90 2182886 1...Nb8 2.Kxb8 Bc5 3.a6 Bb6 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1=Q 8.g7 Bxa7+ 9.Kxa7 Qa1+ 10.Kb8 Qxg7 11.Ka7 Qa1+ 12.Kb8 Qb2 13.Ka7 Qb6+ 14.Kb8 Qxc6 15.Ka7 Qa4+ 16.Kb8 Qxd7 17.Ka7 Qd4+ 18.Kb8 c5 19.Ka7 c4+ 20.Ka6 0:22 14/17 -6.13 5307161 1...Nb8 2.Kxb8 Bc5 3.a6 Bb6 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1=Q 8.g7 Bxa7+ 9.Kxa7 Qa1+ 10.Kb8 Qxg7 11.Ka7 Qa1+ 12.Kb8 Qb2 13.Ka7 Qb6+ 14.Kb8 Qxc6 15.Ka7 Qa4+ 16.Kb8 Qxd7 17.Ka7 Qd4+ 18.Kb8 c5 19.Ka7 c4+ 20.Ka6 Kc7 0:55 15/18 -Mate20 13125352 1...Nb8 2.Kxb8 Bc5 3.a6 Bb6 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1=Q 8.g7 Bxa7+ 9.Kxa7 Qa1+ 10.Kb8 Qxg7 11.Ka7 Qa1+ 12.Kb8 Qb2 13.Ka7 Qb6+ 14.Kb8 Qxc6 15.Ka7 Qa4+ 16.Kb8 Qxd7 17.Ka7 Qd4+ 18.Kb8 Ke7 19.Kxc7 Qd6+ 20.Kc8 Qd8# jm
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