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Subject: Re: Valentin Albillo #34 SOLVED !

Author: Jeremiah Penery

Date: 11:41:08 06/29/03

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On June 29, 2003 at 13:10:01, Dieter Buerssner wrote:

>On June 28, 2003 at 19:02:44, Vincent Lejeune wrote:
>
>>VA.34,T
>>8/8/8/8/3p4/2k1p3/2N1P3/3K4 w - - 0 1
>
>Yace. P4, 2.53 GHz, 250 MB hash:
>[   nodes    time   score depth]
...
>   1296352   1.761  Mat39 37.  1. Ne1 Kb2 2. Nd3+ Kc3 3. Nc1 Kb2 4. Na2 Kb1 5.
>                               Nb4 Kb2 6. Nd5 Kb3 7. Nc7 Kc3 8. Nb5+ Kc4 9.
>                               Nd6+ Kc3 10. Ne4+ Kb2 11. Nc5 Kc3 12. Ke1 Kc4
>                               13. Nd3 Kc3 14. Kf1 Kc4 15. Kg2 Kc3 16. Kf3 Kb3
>                               17. Nf4 Kc4 18. Ke4 Kc3 19. Kd5 d3 20. Nxd3
>                               {EGTB} 20...Kd2! 21. Nf4! Ke1! 22. Kd4 Kd2 23.
>                               Ke4! Kc3! 24. Kxe3! Kc4! 25. Nh5 Kc5 26. Ke4
>                               Kc6 27. Kf5! Kd6 28. e4! Kd7 29. e5! Ke7 30.
>                               e6! Ke8 31. Ng7+ Kd8! 32. Ke4! Kc8 33. e7 Kb8
>
>and does not find a faster mate until the maximum search depth is finished. Mate
>in 24 should really have been found:

The position is not a mate in 24, so it's good that YACE did not find it. :)



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