Author: Heiner Marxen
Date: 04:21:26 04/17/01
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On April 10, 2001 at 07:25:57, leonid wrote: >Hello! > >If you would like to crush some mate, where solution is not that far but >resistance is visible, then you can solve this position: > >[D]2Qr1bqN/R3P1Rq/1p1q1q2/1Q4qk/q2QQr1n/1Q4r1/3BNqbQ/1B1K4 w - - > >Please indicate your result. > >If your program is shareware, it will be handy if you will indicate address of >your program on the Web. > >Thanks, >Leonid. Within 6.3 minutes Chest (K7/600, 350MB hash) finds a mate in 8, with 5 possible key moves: e8=Q+ e8=B+ Nxf4+ Nxg3+ Qxh7+ Here are the PVs: Nxf4+ Q2xf4 e8=Q+ Rxe8 Rxg5+ Q6xg5 Rxh7+ Bh6 Qexe8+ Qxe8 Qcxe8+ Qg6 Bxg6+ Kg4 Qxg3# Nxg3+ Qxg3 e8=Q+ Rxe8 Rxg5+ Q8xg5 Rxh7+ Bh6 Qcxe8+ Qf7 Qxf7+ Qg6 Qexg6+ Kg4 Qxg3# Qxh7+ Qxh7 Nxf4+ Q2xf4 Rxh7+ Bh6 e8=Q+ Rxe8 Qcxe8+ Qf7 Qxf7+ Qg6 Bxg6+ Kg4 Qxg3# e8=B+ Rxe8 Nxf4+ Q2xf4 Rxg5+ Q6xg5 Rxh7+ Bh6 Qexe8+ Qxe8 Qcxe8+ Qg6 Bxg6+ Kg4 Qxg3# e8=Q+ Rxe8 Nxf4+ Q2xf4 Rxg5+ Q6xg5 Rxh7+ Bh6 Qexe8+ Qxe8 Qcxe8+ Qg6 Bxg6+ Kg4 Qxg3# Cheers, Heiner
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