Computer Chess Club Archives

Search

Messages

Subject: King and pawn game tuner for your program

Author: Ferdinand S. Mosca

Date: 10:38:32 06/27/02

The king and pawn game is a very interesting exercise to program, is it
difficult to perfect this ending?.

How long will it take your favorite programs to see that 36. h5 is good for
black.
[D]8/k6p/8/2P2p2/2P1p3/7K/1P3P2/8 b - - 0 35
sample program analysis on Athlon xp 1600+, 64MB hash
Analysis by Gromit 3.8.2:

36...h5 37.Kg3 Kb7 38.b3 Kc7 39.b4 Kc6 40.f4 Kc7 41.b5 Kb7 42.c6+ Kb6 43.c5+ Kc7
44.Kh3 e3 45.Kg3 h4+ 46.Kg2 h3+ 47.Kf3
  ±  (1.09)   Depth: 18   00:10:55
36...h5
  ±  (1.09)   Depth: 19   00:10:55
36...h5
  ±  (1.09)   Depth: 19   00:11:09

more than 11 min, and yet the score still favors white.


Analysis by Green Light Chess 2.18:

36...h5 37.Kg3 Kb7 38.b4 Kc6 39.f4 Kc7 40.b5 Kd7 41.c6+ Kd6 42.Kf2 h4 43.Kg2 e3
44.Kf3 h3 45.Kxe3 h2 46.c5+ Kxc5 47.c7 Kxb5 48.c8Q h1Q 49.Qxf5+
  ±  (1.27)   Depth: 19   00:03:16  154355kN
36...h5 37.Kg3 Kb7 38.b4 Kc6 39.f4 Kc7 40.b5 Kd7 41.c6+ Kd6 42.Kf2 h4 43.Kg2 e3
44.Kf3 h3 45.Kxe3 h2 46.c5+ Kxc5 47.c7 Kxb5 48.c8Q h1Q 49.Qxf5+
  ±  (1.27)   Depth: 19   00:03:17  155502kN

still favors white.

Regards,
Dinan

• Re: King and pawn game tuner for your program Robert Hyatt 14:14:16 06/27/02
  • Re: King and pawn game tuner for your program Ferdinand S. Mosca 14:36:59 06/27/02
    • Re: King and pawn game tuner for your program Robert Hyatt 15:05:57 06/27/02
      • Re: King and pawn game tuner for your program Gian-Carlo Pascutto 00:32:35 06/28/02
        • Re: King and pawn game tuner for your program Robert Hyatt 20:34:26 06/28/02
        • Re: King and pawn game tuner for your program Dieter Buerssner 10:13:57 06/28/02
        • Re: King and pawn game tuner for your program J. Wesley Cleveland 09:40:46 06/28/02
          • Re: King and pawn game tuner for your program Gian-Carlo Pascutto 01:37:06 06/29/02
        • Re: King and pawn game tuner for your program Odd Gunnar Malin 00:57:12 06/28/02
          • Re: King and pawn game tuner for your program Gian-Carlo Pascutto 01:32:34 06/28/02
• Re: King and pawn game tuner for your program J. Wesley Cleveland 13:10:20 06/27/02
  • Re: King and pawn game tuner for your program Robert Hyatt 14:16:02 06/27/02
• Re: King and pawn game tuner for your program John Merlino 11:53:55 06/27/02
  • Re: King and pawn game tuner for your program Miguel A. Ballicora 13:21:19 06/27/02
    • Re: King and pawn game tuner for your program John Merlino 14:11:47 06/27/02
  • Re: King and pawn game tuner for your program Andrew Dados 12:08:49 06/27/02
    • Re: King and pawn game tuner for your program John Merlino 14:17:04 06/27/02
• Re: King and pawn game tuner for your program Richard Pijl 11:41:57 06/27/02
• Re: King and pawn game tuner for your program Scott Gasch 11:06:31 06/27/02
  • Re: King and pawn game tuner for your program Roy Eassa 11:23:38 06/27/02

This page took 0.01 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.