Author: Gian-Carlo Pascutto
Date: 10:53:12 06/26/02
Go up one level in this thread
On June 26, 2002 at 13:46:03, Andrew Williams wrote: >Here's a position where postmodernist made a foolish mistake and got squashed by >crafty: > >[D]3R4/5k2/1p1p4/1NbP2pp/2P3P1/P7/5rKP/8 w - - am Kg3 > >PostModernist takes 13 seconds to latch onto Kh3 on my Athlon 1200, but it >didn't have enough time in this short game. How long does it take your engine to >see that Kh3 is better? Athlon XP 1800 3R4/5k2/1p1p4/1NbP2pp/2P3P1/P7/5rKP/8 w - - 0 1 Analysis by Sjeng 12.14 d: 1.Kg3 h4+ 2.Kh3 Rf3+ 3.Kg2 Rf2+ 4.Kh3 Rf3+ 5.Kg2 Rf2+ 6.Kh3 = (0.00) Depth: 7/21 00:00:00 129kN 1.Kg3 h4+ 2.Kh3 Rf3+ 3.Kg2 Rf2+ 4.Kh3 Rf3+ 5.Kg2 Rf2+ 6.Kh3 = (0.00) Depth: 7/23 00:00:00 241kN 1.Kg3 h4+ 2.Kh3 Rb2 3.Rd7+ Kf6 4.Rxd6+ Bxd6 5.Nxd6 Ke5 6.Nb5 Rb3+ 7.Kg2 h3+ ³ (-0.45) Depth: 8/23 00:00:02 1797kN 1.Kh3 Ke7 2.Rc8 Rf3+ 3.Kg2 Rf2+ 4.Kh3 Rf3+ = (0.00) Depth: 8/29 00:00:04 3238kN 1.Kh3 Ke7 2.Rc8 Rf3+ 3.Kg2 Rf2+ 4.Kh3 Rf3+ = (0.00) Depth: 8/29 00:00:04 3238kN etc... Furthermore, after making the losing error, how long >does it take your program to find that Black will win: > >[D]3R4/5k2/1p1p4/1NbP2pp/2P3P1/P5K1/5r1P/8 b - - 0 1 bm h4 Analysis by Sjeng 12.14 d: 1...h4+ 2.Kh3 Rf3+ 3.Kg2 Rf2+ 4.Kh3 Rf3+ 5.Kg2 Rf2+ 6.Kh3 = (0.00) Depth: 8/22 00:00:00 142kN 1...h4+ 2.Kh3 Rf3+ 3.Kg2 Rf2+ 4.Kh3 Rf3+ 5.Kg2 Rf2+ 6.Kh3 = (0.00) Depth: 8/26 00:00:00 211kN 1...h4+ ³ (-0.50) Depth: 9/31 00:00:03 1580kN 1...h4+ 2.Kh3 Rb2 3.Nxd6+ Ke7 4.Re8+ Kxd6 5.Re1 Kd7 6.a4 Bd6 7.Rh1 Rc2 8.Re1 Rxh2# -+ (-4.09) Depth: 9/31 00:00:05 3095kN 1...h4+ 2.Kh3 Rb2 3.Nxd6+ Ke7 4.Re8+ Kxd6 5.Re1 Kd7 6.a4 Bd6 7.Rh1 Rc2 8.Re1 Rxh2# -+ (-4.09) Depth: 9/33 00:00:05 3141kN 1...h4+ 2.Kh3 Rb2 3.Nxd6+ Ke7 4.Re8+ Kd7 5.Nf7 Bg1 6.Ne5+ Kxe8 7.Nf3 Be3 8.Ne5 Ke7 9.a4 -+ (-4.52) Depth: 10/33 00:00:07 4199kN 1...h4+ 2.Kh3 Rb2 3.Nxd6+ Ke7 4.Re8+ Kd7 5.Nf7 Bg1 6.Ne5+ Kxe8 7.Nf3 Be3 8.Ne5 Ke7 9.a4 -+ (-4.52) Depth: 10/33 00:00:07 4307kN -- GCP
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