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Subject: Re: Simple Endgame for programs without TBs ??

Author: Jeremiah Penery

Date: 00:55:13 11/22/00

Go up one level in this thread

On November 22, 2000 at 00:02:34, Bruce Moreland wrote:

>On November 21, 2000 at 20:24:31, Jeremiah Penery wrote:
>
>>On November 21, 2000 at 20:11:10, Bruce Moreland wrote:
>>
>>>What does Crafty think of the Reti study:
>>>
>>>[D]7K/8/k1P5/7p/8/8/8/8 w - - 0 1
>>>
>>>White to move draws.  I might have this slightly wrong, because I'm constructing
>>>it from memory.
>>>
>>>bruce
>>
>>I get a drawscore at ply 9 from Crafty in this position.
>>
>>This is the last line I got:
>>
>>22->    1:01  -0.50   1. Kg7 Kb6 2. Kf6 Kxc6 3. Kg5 h4 4.
>>                      Kxh4 Kc7 5. Kh5 Kb6 6. Kh6 Ka5 7. Kg6
>>                      Kb6 8. Kh5 Ka5 9. Kh6 Kb6 10. Kg6 Ka5
>>                      11. Kh5 Kb6
>
>What interests me would be the scores prior to that ply, where Crafty things
>white is going to hit a home run.
>
>bruce

 1      0.05  -0.50   1. Kg8
 1->    0.08  -0.50   1. Kg8
 2      0.08     --   1. Kg8
 2      0.08  -5.13   1. Kg8 Kb6
 2      0.08     ++   1. c7!!
 2      0.09  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8
 2->    0.09  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8
 3      0.11  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8 3. Kg8
 3->    0.11  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8 3. Kg8
 4      0.13  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8 3. Kh7 Kb7
 4->    0.13  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8 3. Kh7 Kb7
 5      0.15  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8 3. Kh7 Kb7
                      4. Kg7
 5->    0.15  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8 3. Kh7 Kb7
                      4. Kg7
 6      0.16  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8 3. Kh7 Kb7
                      4. Kh6 Kc6
 6->    0.19  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8 3. Kh7 Kb7
                      4. Kh6 Kc6
 7      0.19  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8 3. Kh7 Kb7
                      4. Kh6 Kc6 5. Kxh5
 7->    0.21  -0.50   1. c7 Kb7 2. c8=Q+ Kxc8 3. Kh7 Kb7
                      4. Kh6 Kc6 5. Kxh5
 8      0.23  -0.50   1. c7 Kb7 2. Kg8 Kxc7 3. Kh7 Kc6 4.
                      Kh6 Kb5 5. Kxh5
 8->    0.24  -0.50   1. c7 Kb7 2. Kg8 Kxc7 3. Kh7 Kc6 4.
                      Kh6 Kb5 5. Kxh5
 9      0.25     --   1. c7
 9      0.26  -9.50   1. c7 Kb7 2. Kg8 Kxc7 3. Kf8 h4 4.
                      Kf7 h3 5. Kg6 h2 6. Kh5 h1=Q+
 9      0.28     ++   1. Kg7!!
 9      0.36  -0.50   1. Kg7 Kb6 2. Kf6 Kxc6 3. Ke7 Kb5 4.
                      Ke6 h4 5. Kf7
 9->    0.36  -0.50   1. Kg7 Kb6 2. Kf6 Kxc6 3. Ke7 Kb5 4.
                      Ke6 h4 5. Kf7
10      0.40  -0.50   1. Kg7 Kb6 2. Kf6 Kxc6 3. Kg5 h4 4.
                      Kxh4 Kc7 5. Kh5 Kb6

Crafty never thinks white is winning in this position.

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