Author: John Merlino
Date: 10:30:49 02/11/03
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On February 11, 2003 at 04:52:50, Vincent Lejeune wrote: > >i don't know why some programs need so much time to find it : >some programs (fritz, hiarcs,...) stop just after findind a longer mate :( > >Gambit tiger 2.0 need 28 sec on a 400 Mhz computer > >[d]8/2pB4/6p1/1PK2pPb/1P3pk1/5N1p/4Q2P/8 w - - 0 1 That is an interesting one. Chessmaster 9000, on a P3-733, finds the Mate in 5 instantly, but doesn't see the Mate in 4 until after 11 seconds: Time Depth Score Positions Moves 0:00 1/5 Mate08 30405 1.Be6 c6 2.Ne5+ Kh4 3.Qe1+ Kxg5 4.Nf7+ Kf6 5.Qe5+ Ke7 6.Bd5+ Kf8 7.Qh8+ Ke7 8.Qd8# 0:00 1/5 Mate05 33968 1.Nd4+ Kh4 2.Qf2+ Kxg5 3.Ne6+ Kh6 4.Qb2 Kh7 5.Qg7# 0:00 1/6 Mate05 45646 1.Nd4+ Kh4 2.Qf2+ Kxg5 3.Ne6+ Kh6 4.Qb2 Kh7 5.Qg7# 0:01 1/7 Mate05 59863 1.Nd4+ Kh4 2.Qf2+ Kxg5 3.Ne6+ Kh6 4.Qb2 Kh7 5.Qg7# 0:02 1/8 Mate05 92984 1.Nd4+ Kh4 2.Qf2+ Kxg5 3.Ne6+ Kh6 4.Qb2 Kh7 5.Qg7# 0:02 2/9 Mate05 164244 1.Nd4+ Kh4 2.Qf2+ Kxg5 3.Ne6+ Kh6 4.Qb2 Kh7 5.Qg7# 0:06 3/10 Mate05 721816 1.Nd4+ Kh4 2.Qf2+ Kxg5 3.Ne6+ Kh6 4.Qb2 Kh7 5.Qg7# 0:11 3/10 Mate04 1444193 1.Bc8 c6 2.Ba6 cxb5 3.Qxb5 Kxf3 4.Qe2# 0:12 4/11 Mate04 1556166 1.Bc8 c6 2.Ba6 cxb5 3.Qxb5 Kxf3 4.Qe2# 0:12 5/12 Mate04 1635613 1.Bc8 c6 2.Ba6 cxb5 3.Qxb5 Kxf3 4.Qe2# jm
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