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Subject: Re: Not even for Shredder 8 this is easy to solve.......................

Author: Jorge Pichard

Date: 13:31:12 03/12/04

Go up one level in this thread

On March 12, 2004 at 12:59:24, Jonathan Kreuzer wrote:

>I'm not saying it's pretty easy to return a winning score from the root
>position. That would be indeed be near impossible and wasteful. I'm saying if
>you turn up the contempt for draw in a program, I assumed most would play the
>same winning moves as Slow Chess, despite starting out with a negative
>evaluation for its position like Slow does. Are you saying I'm wrong about this?
>(I didn't test this with other programs so I may be.)
>
>(Also the mate threat I mentioned was from a human analysis point of view... if
>black moves his queen anywhere that it can't be captured instantly it's mate.
>It's true from a computer point of view Slow doesn't extend these 'mate threats'
>at all.)


New game
8/p5p1/1pP3p1/p5p1/k3p3/4p3/K7/8 w - - 0 1

Analysis by Shredder 8:

1.c7 e2 2.c8Q e1Q 3.Qc6+ b5 4.Qxg6
  -+  (-7.52)   Depth: 1/1   00:00:00
1.c7 e2 2.c8Q e1Q 3.Qc6+ b5 4.Qxg6
  -+  (-7.52)   Depth: 6/13   00:00:00
1.c7 e2 2.c8Q e1Q 3.Qc6+ b5 4.Qxg6
  -+  (-7.52)   Depth: 6/13   00:00:00
1.c7 e2 2.c8Q e1Q 3.Qc6+ b5 4.Qxg6
  -+  (-7.52)   Depth: 6/13   00:00:00
1.c7 e2 2.c8Q e1Q 3.Qc6+ b5 4.Qxg6
  -+  (-7.52)   Depth: 6/13   00:00:00
1.c7 e2 2.c8Q e1Q 3.Qc6+ b5 4.Qxg6
  -+  (-7.52)   Depth: 6/13   00:00:00
1.c7 e2 2.c8Q e1Q 3.Qc6+ b5 4.Qxg6
  -+  (-7.52)   Depth: 6/13   00:00:00
1.c7 e2 2.c8Q e1Q 3.Qc6+ b5 4.Qxg6
  -+  (-7.52)   Depth: 6/13   00:00:00
1.c7 e2 2.c8Q a6 3.Qxa6 e1Q 4.Qxb6 Qf2+ 5.Qxf2
  -+  (-7.27)   Depth: 6/13   00:00:00
1.c7 e2 2.c8Q Kb5 3.Qd7+ Kb4 4.Qxa7 e1Q 5.Qxb6+ Kc4
  -+  (-6.64)   Depth: 6/13   00:00:00
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qxg6
  -+  (-6.06)   Depth: 6/20   00:00:00
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qxg6
  -+  (-5.76)   Depth: 7/20   00:00:00  5kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qc2+ Kb4 8.Qb3+
Kc5 9.Qe3+ Kc6
  -+  (-5.16)   Depth: 7/20   00:00:00  5kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qe4+ Qb4 8.Qc6+
Qb5 9.Qe4+ Qb4
  =  (0.03)   Depth: 7/24   00:00:00  8kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qe4+ Qb4 8.Qc6+
Qb5 9.Qe4+ Qb4
  =  (0.03)   Depth: 8/12   00:00:00  8kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qe4+ Qb4 8.Qc6+
Qb5 9.Qe4+ Qb4
  =  (0.03)   Depth: 9/22   00:00:00  13kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qe4+ Qb4 8.Qc6+
Qb5 9.Qe4+ Qb4
  =  (0.03)   Depth: 10/28   00:00:00  19kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qe4+ Qb4 8.Qc6+
Qb5 9.Qe4+ Qb4
  =  (0.03)   Depth: 11/30   00:00:00  31kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qe4+ Qb4 8.Qc6+
Qb5 9.Qe4+ Qb4
  =  (0.03)   Depth: 12/32   00:00:00  51kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qc2+ Kb4 8.Qb2+
Kc5 9.Qe5+ Kc6 10.Qe8+ Kc5 11.Qe5+ Kc6 12.Qe8+ Kc5 13.Qe5+ Kc6
  =  (0.05)   Depth: 13/32   00:00:00  83kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qc2+ Kb4 8.Qb2+
Kc5 9.Qe5+ Kc6 10.Qe8+ Kc5 11.Qe5+ Kc6 12.Qe8+ Kc5 13.Qe5+ Kc6
  =  (0.05)   Depth: 14/34   00:00:00  160kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qc2+ Kb4 8.Qb2+
Kc5 9.Qe5+ Kc6 10.Qe8+ Kc5 11.Qe5+ Kc6 12.Qe8+ Kc5 13.Qe5+ Kc6
  =  (0.05)   Depth: 15/36   00:00:01  268kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qc2+ Kb4 8.Qb2+
Kc5 9.Qe5+ Kc6 10.Qe8+ Kc5 11.Qe5+ Kc6 12.Qe8+ Kc5 13.Qe5+ Kc6
  =  (0.05)   Depth: 16/41   00:00:01  420kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qc2+ Kb4 8.Qb2+
Kc5 9.Qe5+ Kc6 10.Qe8+ Kc5 11.Qe5+ Kc6 12.Qe8+ Kc5 13.Qe5+ Kc6
  =  (0.05)   Depth: 17/41   00:00:02  677kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qc2+ Kb4 8.Qb2+
Kc5 9.Qe5+ Kc6 10.Qe8+ Kc5 11.Qe5+ Kc6 12.Qe8+ Kc5 13.Qe5+ Kc6
  =  (0.05)   Depth: 18/44   00:00:03  1100kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qc2+ Kb4 8.Qb2+
Kc5 9.Qe5+ Kc6 10.Qe8+ Kc5 11.Qe5+ Kc6 12.Qe8+ Kc5 13.Qe5+ Kc6
  =  (0.05)   Depth: 19/45   00:00:05  1896kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qc2+ Kb4 8.Qb2+
Kc5 9.Qe5+ Kc6 10.Qe8+ Kc5 11.Qe5+ Kc6 12.Qe8+ Kc5 13.Qe5+ Kc6
  =  (0.05)   Depth: 20/48   00:00:10  3417kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qc6+ Qb5 7.Qc2+ Kb4 8.Qb2+
Kc5 9.Qe5+ Kc6 10.Qe8+ Kc5 11.Qe5+ Kc6 12.Qe8+ Kc5 13.Qe5+ Kc6
  =  (0.05)   Depth: 21/50   00:00:15  5141kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 a6 7.Qd7+ Qb5 8.Qd4+
Qb4 9.Qd3 g4 10.Qd7+ Qb5 11.Qxg4+ Qb4 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd7+ Qb5
15.Qd4+
  =  (0.06)   Depth: 22/52   00:00:23  7966kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 a6 7.Qd7+ Qb5 8.Qd4+
Qb4 9.Qd3 g4 10.Qd7+ Qb5 11.Qxg4+ Qb4 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd7+ Qb5
15.Qd4+
  =  (0.06)   Depth: 23/54   00:00:36  12689kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 a6 7.Qd7+ Qb5 8.Qd4+
Qb4 9.Qd3 g4 10.Qd7+ Qb5 11.Qxg4+ Qb4 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd7+ Qb5
15.Qd4+
  =  (0.06)   Depth: 24/57   00:01:03  22664kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 a6 7.Qd7+ Qb5 8.Qd4+
Qb4 9.Qd3 g4 10.Qd7+ Qb5 11.Qd4+ Qb4 12.Qd3 g3 13.Qd7+ Qb5 14.Qd4+ Qb4 15.Qxb6
  =  (0.07)   Depth: 25/58   00:01:45  37993kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 g4 7.Qd7+ Qb5 8.Qd4+
Qb4 9.Qd3 g3 10.Qd7+ Qb5 11.Qd1+ Kb4 12.Qe1+ Kc5 13.Qe5+ Kb4 14.Qb2+ Kc5 15.Qe5+
  =  (0.07)   Depth: 26/61   00:03:19  73413kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 g4 7.Qd7+ Qb5 8.Qxg4+
Qb4 9.Qd7+ Qb5 10.Qd4+ Qb4 11.Qd3 a6 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd3 g5 15.Qd7+
  =  (0.08)   Depth: 27/63   00:04:35  100019kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 g4 7.Qd7+ Qb5 8.Qxg4+
Qb4 9.Qd7+ Qb5 10.Qd4+ Qb4 11.Qd3 a6 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd3 g5 15.Qd7+
  =  (0.08)   Depth: 28/66   00:07:07  155975kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 g4 7.Qd7+ Qb5 8.Qxg4+
Qb4 9.Qd7+ Qb5 10.Qd4+ Qb4 11.Qd3 a6 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd3 g5 15.Qd7+
  =  (0.08)   Depth: 29/68   00:12:15  271800kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 g4 7.Qd7+ Qb5 8.Qxg4+
Qb4 9.Qd7+ Qb5 10.Qd4+ Qb4 11.Qd3 a6 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd3 g5 15.Qd7+
  =  (0.08)   Depth: 30/70   00:23:23  514311kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 g4 7.Qd7+ Qb5 8.Qxg4+
Qb4 9.Qd7+ Qb5 10.Qd4+ Qb4 11.Qd3 a6 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd3 g5 15.Qd7+
  =  (0.08)   Depth: 31/73   00:43:30  970576kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 g4 7.Qd7+ Qb5 8.Qxg4+
Qb4 9.Qd7+ Qb5 10.Qd4+ Qb4 11.Qd3 a6 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd3 g5 15.Qd7+
  =  (0.09)   Depth: 32/75   01:08:55  1529772kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 g4 7.Qd7+ Qb5 8.Qxg4+
Qb4 9.Qd7+ Qb5 10.Qd4+ Qb4 11.Qd3 a6 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd3 g5 15.Qd7+
  =  (0.09)   Depth: 33/77   02:02:59  2605382kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 g4 7.Qd7+ Qb5 8.Qxg4+
Qb4 9.Qd7+ Qb5 10.Qd4+ Qb4 11.Qd3 a6 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd3 g5 15.Qd7+
  =  (0.09)   Depth: 34/79   03:38:30  4660552kN
1.c7 e2 2.c8Q e1Q 3.Qc4+ Qb4 4.Qc6+ Qb5 5.Qxe4+ Qb4 6.Qd3 g4 7.Qd7+ Qb5 8.Qxg4+
Qb4 9.Qd7+ Qb5 10.Qd4+ Qb4 11.Qd3 a6 12.Qd7+ Qb5 13.Qd4+ Qb4 14.Qd3 g5 15.Qd7+
  =  (0.09)   Depth: 35/80   11:31:36  15357039kN

(Pichard, MyTown 12.03.2004)

• Re: Not even for Shredder 8 this is easy to solve....................... Jonathan Kreuzer 17:22:34 03/12/04

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