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Subject: Re: Does any "regular" chess program see White's win? H9:18min

Author: Vincent Lejeune

Date: 23:33:27 02/12/04

Go up one level in this thread


On February 12, 2004 at 14:37:30, Roy Eassa wrote:

>[d] n1QBq1k1/5p1p/5KP1/p7/8/8/8/8 w - -
>1. Bc7!! Qxc8 2. gxf7+ Kh8 3. Be5 Qc5! 4. Bb2!! Nc7 5. Ba1!! a4 6. Bb2 a3
>7. Ba1 a2 8. Bb2 a1=Q 9. Bxa1 zugzwang!
>
>Besides programs specifically designed to solve mates, does any program find
>this?

AMD barton 2800+ :

Analysis by Hiarcs 9:

1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 De3+ 5.Rg4
  =  (0.08)   Profondeur: 6/21   00:00:00
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 De3+ 5.Rg4
  =  (0.08)   Profondeur: 6/21   00:00:00
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 De3+ 5.Rg4
  =  (0.08)   Profondeur: 6/21   00:00:00
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 De3+ 5.Rg4
  =  (0.08)   Profondeur: 6/21   00:00:00
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 De3+ 5.Rg4
  =  (0.08)   Profondeur: 6/21   00:00:00
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 De3+ 5.Rg4
  =  (0.08)   Profondeur: 6/21   00:00:00
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 De3+ 5.Rg4
  =  (0.08)   Profondeur: 6/21   00:00:00
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 De3+ 5.Rg4
  =  (0.08)   Profondeur: 6/21   00:00:00
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 De3+ 5.Rg4
  =  (0.08)   Profondeur: 6/21   00:00:00
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 De3+ 5.Rg4
  =  (0.08)   Profondeur: 6/21   00:00:00  14kN
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 De3+ 5.Rg4
  =  (0.08)   Profondeur: 6/21   00:00:00  14kN
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 f6+ 5.Fxf6 Dd5+ 6.Dxd5
  =  (0.00)   Profondeur: 7/24   00:00:00  57kN, tb=4
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 Rxh7 4.Dxa5 f6+ 5.Fxf6 Dd5+ 6.Dxd5
  =  (0.00)   Profondeur: 8/26   00:00:00  177kN, tb=10
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 De5+ 4.Rh6 Dg7+ 5.Rh5 De5+ 6.Rh6
  =  (0.00)   Profondeur: 9/29   00:00:02  667kN, tb=168
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 De5+ 4.Rh6 Dg7+ 5.Rh5 De5+ 6.Rh6
  =  (0.00)   Profondeur: 10/32   00:00:07  1893kN, tb=691
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 De5+ 4.Rh6 Dg7+ 5.Rh5 De5+ 6.Rh6
  =  (0.00)   Profondeur: 11/35   00:00:21  5415kN, tb=2513
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 De5+ 4.Rh6 Dg7+ 5.Rh5 De5+ 6.Rh6
  =  (0.00)   Profondeur: 12/37   00:00:55  14454kN, tb=7866
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 De5+ 4.Rh6 Dg7+ 5.Rh5 De5+ 6.Rh6
  =  (0.00)   Profondeur: 13/39   00:02:26  40294kN, tb=24047
1.gxh7+ Rh8 2.Dxa8 De6+ 3.Rg5 De5+ 4.Rh6 Dg7+ 5.Rh5 De5+ 6.Rh6
  =  (0.00)   Profondeur: 14/41   00:06:05  106775kN, tb=64470
1.Fc7 Dxc8
  =  (0.01)   Profondeur: 14/45   00:14:35  268499kN, tb=130841
1.Fc7 Dxc8
  =  (0.25)   Profondeur: 14/45   00:14:47  271639kN, tb=143052
1.Fc7 Dxc8
  +-  (#31)   Profondeur: 14/45   00:14:57  275317kN, tb=151529
1.Fc7 Dxc8 2.gxf7+ Rh8 3.Fe5 Dc5 4.Fb2 Cc7 5.Fa1 a4 6.Fb2 a3 7.Fa1 a2
  +-  (#12)   Profondeur: 14/45   00:18:01  379395kN, tb=210065
1.Fc7 Dxc8 2.gxf7+
  +-  (#12)   Profondeur: 15/45   00:18:03  380019kN, tb=210234
1.Fc7 Dxc8 2.gxf7+
  +-  (#12)   Profondeur: 16/45   00:18:23  391382kN, tb=214267
1.Fc7 Dxc8 2.gxf7+
  +-  (#12)   Profondeur: 17/50   00:20:12  458321kN, tb=234977
1.Fc7 Dxc8 2.gxf7+



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