Author: John Merlino
Date: 10:27:01 01/11/03
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On January 11, 2003 at 10:49:46, Art Basham wrote: >Today I was testing some engines in Arena and found that GoliathV35 >ann. a mate in 11 in only 2 seconds on my slow machine! > >Here is the test position: > >[D]1kbr3r/pp6/8/P1n2ppq/2N3n1/R3Q1P1/3B1P2/2R2BK1 w - - > >See how long it takes your favorite engine to ann. mate! Very simple for Chessmaster 9000. On a P3-733, it announces mate in 11 in less than one second (and less than 9000 positions!): Time Depth Score Positions Moves 0:00 1/3 -7.57 1430 1.Bg2 Nxe3 2.Rxe3 Be6 0:00 1/3 -4.82 2138 1.Qf4+ gxf4 2.Bxf4+ Ne5 3.Bxe5+ Ka8 4.Bxh8 Qxh8 0:00 1/4 -4.52 2843 1.Qf4+ gxf4 2.Bxf4+ Ne5 3.Bxe5+ Ka8 4.Bxh8 Qxh8 5.Re3 0:00 1/5 Mate11 8944 1.Qf4+ gxf4 2.Bxf4+ Ne5 3.Bxe5+ Rd6 4.Bxd6+ Ka8 5.Nb6+ axb6 6.axb6+ Na6 7.Rxc8+ Rxc8 8.Rxa6+ bxa6 9.Bg2+ Qf3 10.Bxf3+ Rc6 11.Bxc6# 0:00 1/6 Mate11 24242 1.Qf4+ gxf4 2.Bxf4+ Ne5 3.Bxe5+ Rd6 4.Bxd6+ Ka8 5.Nb6+ axb6 6.axb6+ Na6 7.Rxc8+ Rxc8 8.Rxa6+ bxa6 9.Bg2+ Qf3 10.Bxf3+ Rc6 11.Bxc6# 0:00 1/7 Mate11 52364 1.Qf4+ gxf4 2.Bxf4+ Ne5 3.Bxe5+ Rd6 4.Bxd6+ Ka8 5.Nb6+ axb6 6.axb6+ Na6 7.Rxc8+ Rxc8 8.Rxa6+ bxa6 9.Bg2+ Qf3 10.Bxf3+ Rc6 11.Bxc6# 0:01 1/8 Mate11 68566 1.Qf4+ gxf4 2.Bxf4+ Ne5 3.Bxe5+ Rd6 4.Bxd6+ Ka8 5.Nb6+ axb6 6.axb6+ Na6 7.Rxc8+ Rxc8 8.Rxa6+ bxa6 9.Bg2+ Qf3 10.Bxf3+ Rc6 11.Bxc6# jm
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