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Subject: Re: Can your program find this endgame position, Crafty can!

Author: Robert Hyatt

Date: 09:24:54 08/16/99

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On August 15, 1999 at 07:47:46, Andrew Williams wrote:

>On August 14, 1999 at 22:29:38, Terry Ripple wrote:
>
>> Note: Rebel 10 couldn't find solution, or my Hiarcs7.32!
>>
>>8/6k1/p4p2/P3q2p/7P/5Q2/5PK1/8 W  Qg3  Crafty found in 1 min. and 28 sec.
>>14 ply =.24
>>
>>Crafty can find because of its fast search that enables it to reach tablebases!
>>
>>Regards,
>>Terry
>
>Hi,
>
>My program finds this in < 1 second and sticks with it for at least 3 minutes.
>I'd be interested in the PV from this position, as my program doesn't see any
>outcome, it just prefers Qg3.
>
>Andrew


Here are the last couple of plies:

               17     1:07   2.23   1. Qg3+ Qxg3+ 2. Kxg3 Kh8 3. Kf4 Kg7
                                    4. Kf5 Kf7 5. f3 Ke7 6. Kg6 Ke6 7.
                                    f4 Kd5 8. Kxh5 Kd6 9. Kg6 Ke6 10. h5
                                    f5
         (3)   17->   1:09   2.23   1. Qg3+ Qxg3+ 2. Kxg3 Kh8 3. Kf4 Kg7
                                    4. Kf5 Kf7 5. f3 Ke7 6. Kg6 Ke6 7.
                                    f4 Kd5 8. Kxh5 Kd6 9. Kg6 Ke6 10. h5
                                    f5
               18     1:37     ++   1. Qg3+!!
         (2)   18     1:37   3.03   1. Qg3+ Qxg3+ 2. Kxg3 Kh8 3. Kf4 Kg7
                                    4. Kf5 Kf7 5. f3 Ke7 6. Kg6 Ke6 7.
                                    Kxh5 Kf7 8. Kh6 Ke6 9. Kg6 Ke5 10.
                                    h5 f5 11. h6




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