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Subject: Re: White to play and win !

Author: Kurt Utzinger

Date: 01:05:48 04/13/03

Go up one level in this thread


On April 12, 2003 at 14:49:05, Jorge Pichard wrote:

>
>This one is fairly easy for most programs
>
>New game
>[D]8/1p2k2p/8/P4K2/8/7P/8/8 w - - 0 1
>
     This is too easy for most programs. Even those without using EGTB can
     find the solution, i.e. Rebel 12 beta1:

Thinking....

  +---+---+---+---+---+---+---+---+  Pos 1 - End 1
8 |   |   |   |   |   |   |   |   |
  +---+---+---+---+---+---+---+---+  00:00:00      00:00:00
7 |   | *p|   |   | *K|   |   | *p|
  +---+---+---+---+---+---+---+---+
6 |   |   |   |   |   |   |   |   |  Time          unendlich
  +---+---+---+---+---+---+---+---+  Hash          28 Mb
5 | p |   |   |   |   | K |   |   |  Engine        Beta 1
  +---+---+---+---+---+---+---+---+  Personality   beta1.eng
4 |   |   |   |   |   |   |   |   |  anti-GM       Off
  +---+---+---+---+---+---+---+---+  Tactics       Off
3 |   |   |   |   |   |   |   | p |  Bluff Chess   Off
  +---+---+---+---+---+---+---+---+  Style         Normal
2 |   |   |   |   |   |   |   |   |  Strength      Strongest
  +---+---+---+---+---+---+---+---+  Search        Nullmove
1 |   |   |   |   |   |   |   |   |
  +---+---+---+---+---+---+---+---+
    a   b   c   d   e   f   g   h

8/1p2k2p/8/P4K2/8/7P/8/8 w - -

[Event "?"]
[Site "?"]
[Date "??.??.????"]
[Round "?"]
[White "Pos 1"]
[Black "End 1"]
[Result "*"]
[WhiteElo "?"]
[BlackElo "?"]
[FEN "8/1p2k2p/8/P4K2/8/7P/8/8 w - - 0 1"]

1.*

00:00:00  1.00  0.14  1.Ke4
00:00:00  2.00  0.11  1.Ke4 Kd6
00:00:00  2.01  0.18  1.Ke5 h6
00:00:00  3.00  0.14  1.Ke5 h6 2.Kd5 Kd7 3.Kc5 Kc7 4.Kd5 Kd7
                       5.Kc5 Kc7 6.Kd5  (0)

00:00:00  4.00  0.14  1.Ke5 Kd7 2.Kd5 h6 3.Kc5 Kc7 4.Kd5 Kd7
                       5.Kc5 Kc7 6.Kd5  (0)

00:00:00  5.00  0.14  1.Ke5 Kd7 2.Kd5 h6 3.Ke5 Kc6 4.a6 bxa6
                       5.Kf6 h5 6.Kg7 h4 7.Kf7 Kc5 8.Kg6 Kb6
                       9.Kg5 Kc5 10.Kf5 Kb6 11.Kg4 Kc5 12.Kf5
                       Kb6  (0)

00:00:00  6.00  0.13  1.Ke5 Kd7 2.Kd5 Ke7 3.h4 Kd7 4.Kc5 h6
                       5.h5 Kc7 6.Kd5  (0)

00:00:00  6.05  0.22  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.Kg5 Kg7
                       5.Kf5 Kf7 6.Ke5 Ke7 7.h5 h6 8.Kd5 Kd7
                       9.Ke5 Ke7 10.Kd5 Kd7 11.Ke5  (0)

00:00:00  7.00  0.19  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.h5 Kg8
                       5.Kg5 Kf7 6.Kg4 Ke6 7.Kg3 Kf7 8.Kf3
                       Ke7 9.Ke4 Kf6 10.Kd3 Ke6 11.Kc3 Kd7
                       12.Kc2 Kc8  (0)

00:00:00  8.00  0.19  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.h5 Kg8
                       5.Kg5 Kf7 6.Kg4 Ke6 7.Kg3 Kf7 8.Kf3
                       Ke7 9.Ke4 Kf6 10.Kd3 Ke6 11.Kc3 Kd7
                       12.Kc2 Kc8  (0)

00:00:00  9.00  0.14  1.Kg5 Kf7 2.Kh6 Kg8 3.Kg5 Kg7 4.Kf5
                       Kf7 5.Kg4 Ke7 6.Kh5 Kf8 7.Kh4 Ke7 8.Kh5
                       Kf8 9.Kh4 Ke7  (0)

00:00:00 10.00  0.13  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.Kg5 Kg7
                       5.Kf5 Kf7 6.Ke5 Ke7 7.h5 h6 8.Kd5 Kf6
                       9.Kc5 Ke6 10.Kb6 Ke5 11.Kxb7 Kd5 12.a6
                       Ke5  (0)

00:00:00 10.01  0.13  1.Ke5
00:00:00 10.01  1.21  1.Ke5 Kd7 2.Kf6 Kc7 3.Kg7 h5 4.Kg6 h4
                       5.Kg5 b5 6.axb6 Kxb6 7.Kxh4 Kc5 8.Kg4
                       Kd5 9.h4 Ke5  (0)

00:00:00 11.00  1.21  1.Ke5 Kd7 2.Kf6 Kc7 3.Kg7 h5 4.Kg6 h4
                       5.Kg5 b5 6.axb6 Kxb6 7.Kxh4 Kc5 8.Kg4
                       Kd5 9.h4 Ke5  (0)

00:00:00 12.00  1.24  1.Ke5 Kd7 2.Kf6 Kc7 3.Kg7 h5 4.Kg6 h4
                       5.Kg5 b5 6.axb6 Kxb6 7.Kxh4 Kc7 8.Kh5
                       Kd6 9.Kg6 Kc6 10.h4 Kd5 11.h5 Ke6 12.Kg7
                       Ke5  (0)

00:00:00 13.00  1.40  1.Ke5 Kd7 2.Kf6 Kc7 3.h4 Kc6 4.Kg7 h5
                       5.Kg6 b5 6.axb6 Kxb6 7.Kxh5 Kc5 8.Kg6
                       Kd5 9.h5 Ke6 10.Kg7 Ke5  (0)

00:00:00 14.00  1.54  1.Ke5 Kd7 2.Kf6 Kc6 3.Kg7 h5 4.Kg6 b5
                       5.axb6 h4 6.Kg5 Kxb6 7.Kxh4 Kb7 8.Kg5
                       Kc8 9.h4 Kd7 10.Kg6 Ke6 11.h5 Ke7 12.Kg7  (0)

00:00:00 15.00  1.70  1.Ke5 Kd7 2.Kf6 Kc6 3.Kg7 h5 4.Kg6 b5
                       5.axb6 h4 6.Kg5 Kxb6 7.Kxh4 Kc5 8.Kg5
                       Kd4 9.h4 Ke5 10.h5 Ke6 11.Kg6 Ke7 12.Kg7  (0)

00:00:01 16.00  1.70  1.Ke5 Kd7 2.Kf6 Kc6 3.Kg7 h5 4.Kg6 b5
                       5.axb6 h4 6.Kg5 Kxb6 7.Kxh4 Kb7 8.Kg5
                       Kc6 9.h4 Kd6 10.Kg6 Ke5 11.h5 Ke6 12.Kg7
                       Ke5  (1)

00:00:01 17.00  1.74  1.Ke5 Kd7 2.Kf6 Kc6 3.Kg7 h5 4.Kg6 b5
                       5.axb6 h4 6.Kg5 Kxb6 7.Kxh4 Kc5 8.Kg5
                       Kd5 9.h4 Ke6 10.h5 Kd5  (1)

00:00:02 18.00  0.11  1.Ke5 Kd7 2.Kd4 Kd6 3.Kc4 Kc6 4.Kc3
                       Kd5 5.Kd3 h6 6.Ke3 Ke5 7.Ke2 Kf4 8.Kf2
                       h5 9.Kg2 Ke4 10.Kg3 Kf5 11.Kf2 Ke4 12.Kg3
                       Kf5  (1)

00:00:03 18.04  0.11  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.Kh5 Kg8
                       5.Kh6 Kh8 6.Kh5 Kg8  (3)

00:00:04 19.00  0.11  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.Kh5 Kg8
                       5.Kh6 Kh8 6.Kh5 Kg8  (3)

00:00:13 20.00  1.44  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.Kh5 Kg8
                       5.Kg4 Kf7 6.Kf5 Ke7 7.Ke5 Kd7 8.Kf6
                       Kc6 9.Kg7 h5 10.Kg6 b5 11.axb6 Kxb6  (7)

00:00:23 21.00  1.79  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.Kh5 Kg8
                       5.Kg4 Kf7 6.Kf5 Ke7 7.Ke5 Kd7 8.Kf6
                       Kc6 9.Kg7 h5 10.Kg6 b5 11.axb6 Kxb6
                       12.Kxh5 Kc5  (13)

00:00:28 22.00  1.79  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.Kh5 Kg8
                       5.Kg4 Kf7 6.Kf5 Ke7 7.Ke5 Kd7 8.Kf6
                       Kd6 9.Kg7 Ke5 10.Kxh7 Kf5 11.Kh6 Ke5
                       12.Kg5 Kd4  (25)

00:01:06 23.00  2.22  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.Kh5 Kg8
                       5.Kg4 Kf7 6.Kf5 Ke7 7.h5 Kf7 8.Ke4 Ke6
                       9.h6 Kd6 10.Kf5 Kd5 11.Kf4 Kd6 12.Kf5
                       Kd5  (63)

00:01:26 24.00  2.22  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.Kh5 Kg8
                       5.Kg4 Kf7 6.Kf5 Ke7 7.h5 h6 8.Kg6 Ke6
                       9.Kxh6 b5 10.a6  (68)

00:03:16 25.00  2.82  1.Kg5 Kf7 2.Kh6 Kg8 3.h4 Kh8 4.Kh5 Kg8
                       5.Kg4 Kf7 6.Kf5 Ke7 7.h5  (132)


Positions                :     167.803.702
Nodes per second         :         795.278

Extensions (checks)      :               0 (0%)
Extensions (captures)    :               0 (0%)
Extensions (king safety) :               0 (0%)
Extensions (on depth)    :               0 (0%)
Extensions (remaining)   :               0 (0%)
Extensions (total)       :               0 (0%)

Hash Table               : 17.045.236  16.231.110  (99%)
Average depth            : 27
Deepest depth            : 49




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

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