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Subject: Re: Can your program finds mate (hard)

Author: Dann Corbit

Date: 09:37:59 01/04/00

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On January 03, 2000 at 15:08:53, Dann Corbit wrote:

>On January 03, 2000 at 12:38:58, Ignacio Santos Crespo wrote:
>
>>It´s difficult for the chess programs find mate at these positions
>>
>>r6k/6p1/4p2p/1p1pB3/p2P4/4P2P/P4PPK/1Q6 w - -
>
>r6k/6p1/4p2p/1p1pB3/p2P4/4P2P/P4PPK/1Q6 w - - acn 160498723; acs 4114; bm Qxb5;
>ce 32752; dm 8; pv Qxb5 Rf8 Qd7 Rf6 Bxf6 gxf6 Kg3 h5 Kh4 f5 Kxh5 f4 Kh6 f3 Qe8#;
>
>>4r2k/6p1/4p2p/1p1pB3/p2P4/4P2P/P4PPK/1Q6 w - -
4r2k/6p1/4p2p/1p1pB3/p2P4/4P2P/P4PPK/1Q6 w - - acn 1952293771; acs 30943; bm
Qxb5; ce 32750; dm 9; pv Qxb5 Re7 Bd6 Kg8 Bxe7 Kf7 Bd6 h5 Qb7+ Kf6 Be5+ Kg6
Qxg7+ Kf5 e4+ dxe4 Qf6#;

>>r1b2r1k/1pq2ppp/p2b1n1N/8/2B1p3/1P3Q2/PBP2PPP/R4R1K w - -
>>r1bq1k1r/1p1pn1bp/3Q2p1/p5p1/2B5/4R3/PP3PPP/R5K1 w - -
>>2r3k1/1b3pq1/2r1p1p1/1p1pP1Q1/1b1B4/pN1BP1P1/2P3KR/7R w - -
>>
>>The first is mate in 8 and the others mate in 9.
>>Can your favourite program solves?

• Re: Can your program finds mate (hard) Ignacio Santos Crespo 04:08:45 01/05/00

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