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Subject: Re: King and pawn ending position for evaluation

Author: James T. Walker

Date: 09:04:13 10/28/01

Go up one level in this thread

Here is what Crafty 18.12 says:

[D]3k4/8/1p3K2/8/4P1p1/6P1/7P/8 b - - 0 1

Analysis by Crafty 18.12:

1...Kd7 2.e5
  ²  (0.53)   Depth: 1/2   00:00:01
  ±  (0.96)   Depth: 2/2   00:00:01
1...b5 2.Ke5 Kc7 3.Kd5 Kb6 4.e5 b4
  ²  (0.54)   Depth: 2/2   00:00:01
  ²  (0.66)   Depth: 7/10   00:00:01  4kN
1...Kc7 2.e5 b5 3.e6 b4 4.e7 Kd7 5.Kf7 b3 6.e8Q+
  ²  (0.46)   Depth: 7/10   00:00:01  7kN
  +-  (9.10)   Depth: 8/12   00:00:01  16kN, tb=1
1...b5 2.Kf7 b4 3.e5
  ±  (1.39)   Depth: 8/12   00:00:01  26kN, tb=1
1...Kd7 2.Kf7 Kd6 3.Kf6 Kd7
  ±  (1.03)   Depth: 8/12   00:00:01  32kN, tb=6
  =  (0.00)   Depth: 11/17   00:00:01  106kN, tb=58
1...Ke8 2.Ke6 b5 3.Kd5 b4 4.Kc4
  =  (-0.15)   Depth: 11/17   00:00:01  132kN, tb=68
  +-  (2.64)   Depth: 12/19   00:00:01  259kN, tb=151
1...Kd7 2.e5 Ke8 3.Ke6 b5 4.Kd5 Kf7 5.Kc5 Ke6 6.Kxb5 Kd5 7.e6 Kd6 8.Kc4 Ke7
9.Kd5
  =  (0.00)   Depth: 12/19   00:00:01  333kN, tb=251
  +-  (3.79)   Depth: 16/27   00:00:35  29779kN, tb=2526
1...b5 2.Ke5 Kc7 3.Kd5 Kb6 4.e5 b4 5.e6 Kc7 6.Kc4 Kd6 7.Kxb4 Kxe6
  +-  (3.23)   Depth: 16/27   00:00:38  32507kN, tb=3093
  +-  (#30)   Depth: 23/45   00:04:23  227633kN, tb=40595

I believe the mate in 30 is correct.

• Re: King and pawn ending position for evaluation Uri Blass 09:11:29 10/28/01
  • Re: King and pawn ending position for evaluation James T. Walker 10:26:33 10/28/01
    • Re: King and pawn ending position for evaluation Uri Blass 12:41:59 10/28/01
      • Re: King and pawn ending position for evaluation James T. Walker 12:50:17 10/29/01
      • Re: King and pawn ending position for evaluation Dieter Buerssner 15:03:11 10/28/01

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