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Subject: Bug in CHEST - CHEST doesn't see a mate in 2

Author: Vincent Vega

Date: 05:00:15 04/28/02

Simplified position to show the bug:
[D]8/8/8/8/8/8/4KP2/R1Qn3k w - - 0 1

This is a mate in 2 (1. Qxd1+).

But CHEST says:

CHEST version 3.19, 18-Dec-1999
Input file: 'xx'
Reading job:
#	xx
W:  Ke2 Qc1 Ra1 Pf2 (4)
B:  Kh1 Nd1 (2)
FEN: 8/8/8/8/8/8/4KP2/R1Qn3k w - -
analysing (mate in 2 moves):
No solution in 2 moves.
refu  1: Qxd1+   --      [  1-]   M2: move
refu  2: Qc6+    --      [  1-]   M2: move
refu  3: Qh6+    Kg1     [  1-]
refu  4: f3      --      [  1-]   M2: move
refu  5: f4      --      [  1-]   M2: move
refu  6: Rb1     --      [  1-]   M2: move
refu  7: Ra2     --      [  1-]   M2: move
refu  8: Ra3     --      [  1-]   M2: move
refu  9: Ra4     --      [  1-]   M2: move
refu 10: Ra5     --      [  1-]   M2: move
refu 11: Ra6     --      [  1-]   M2: move
refu 12: Ra7     --      [  1-]   M2: move
refu 13: Ra8     --      [  1-]   M2: move
refu 14: Qb1     --      [  1-]   M2: move
refu 15: Qc2     --      [  1-]   M2: move
refu 16: Qc3     --      [  1-]   M2: move
refu 17: Qc4     --      [  1-]   M2: move
refu 18: Qc5     --      [  1-]   M2: move
refu 19: Qc7     Kg1     [  1-]
refu 20: Qc8     --      [  1-]   M2: move
refu 21: Qd2     --      [  1-]   M2: move
refu 22: Qe3     --      [  1-]   M2: move
refu 23: Qf4     Kg1     [  1-]
refu 24: Qg5     --      [  1-]   M2: move
refu 25: Qb2     --      [  1-]   M2: move
refu 26: Qa3     --      [  1-]   M2: move
refu 27: Kd2     --      [  1-]   M2: move
refu 28: Ke1     --      [  1-]   M2: move
refu 29: Kf3     --      [  1-]   M2: move
refu 30: Kxd1    --      [  1-]   M2: move
refu 31: Kf1     Ne3+    [  1-]
refu 32: Kd3     --      [  1-]   M2: move
Time (virt) = 0.000 sec

• Re: Bug in CHEST - CHEST doesn't see a mate in 2 (yes, is a bug) Heiner Marxen 15:18:38 04/28/02
  • Re: Bug in CHEST - CHEST doesn't see a mate in 2 (will be corrected) Heiner Marxen 19:00:22 04/28/02
    • Re: Bug in CHEST - bugfix available Heiner Marxen 10:55:00 05/05/02
      • Re: Bug in CHEST - bugfix available Dann Corbit 11:18:50 05/07/02
        • Re: Bug in CHEST - bugfix available Ernst Walet 12:09:57 05/07/02
          • Re: Bug in CHEST - bugfix available Dann Corbit 00:08:11 05/08/02
          • Re: Bug in CHEST - bugfix available Dann Corbit 22:31:36 05/07/02
            • Re: Bug in CHEST - bugfix available Dann Corbit 23:18:23 05/07/02
              • Re: Bug in CHEST - bugfix available Dann Corbit 23:26:52 05/07/02
                • Re: Bug in CHEST - bugfix available Ernst Walet 07:04:30 05/08/02
                  • Re: Bug in CHEST - bugfix available Dann Corbit 10:00:01 05/08/02
                    • Re: Bug in CHEST - bugfix available Ernst Walet 10:16:59 05/08/02
                      • Re: Bug in CHEST - bugfix available Ernst Walet 04:57:47 05/09/02
                        • Re: Bug in CHEST - bugfix available Dann Corbit 14:41:25 05/09/02
        • Re: Bug in CHEST - bugfix available Roy Eassa 11:28:35 05/07/02
          • Re: Bug in CHEST - bugfix available Dann Corbit 11:36:00 05/07/02
            • Re: Bug in CHEST - bugfix available Roy Eassa 11:40:49 05/07/02
              • Re: Bug in CHEST - bugfix available Heiner Marxen 11:56:28 05/07/02
      • Re: Bug in CHEST - bugfix available Georg v. Zimmermann 06:23:09 05/06/02
        • Re: Bug in CHEST - bugfix available Uri Blass 06:48:38 05/06/02
      • Re: Bug in CHEST - bugfix available Peter Berger 13:50:32 05/05/02
• Re: Bug in CHEST - CHEST doesn't see a mate in 2 Roy Eassa 08:55:07 04/28/02
• Re: Bug in CHEST - CHEST doesn't see a mate in 2 leonid 07:34:29 04/28/02
• Re: Bug in CHEST - CHEST doesn't see a mate in 2 Peter Berger 05:34:15 04/28/02
  • Re: Bug in CHEST - CHEST doesn't see a mate in 2 Peter Berger 05:36:35 04/28/02

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