Author: John Merlino
Date: 12:13:11 03/26/02
Go up one level in this thread
On March 26, 2002 at 08:55:35, Art Basham wrote: >The correct move here is of course Qh6, (Not Qc8+)...:-) > >[D]1b4k1/r4p2/5Pp1/8/8/8/8/2Q4K w - - > >My Junior5 will ann. a mate in just afew sec. Less than one second for Chessmaster 8000 on a PIII-600: Time Depth Score Positions Moves 0:00 1/3 6.01 3883 1.Qc8+ Kh7 2.Qf8 Ra1+ 3.Kg2 Rg1+ 4.Kxg1 Ba7+ 5.Kg2 0:00 2/4 9.20 12830 1.Qc8+ Kh7 2.Qf8 Ra1+ 3.Kg2 Ra2+ 4.Kf3 Ra3+ 5.Ke4 Ra4+ 6.Kd5 Ra5+ 7.Kc4 Ra4+ 8.Kb3 Ra3+ 9.Kxa3 Bd6+ 10.Qxd6 g5 0:00 3/5 Mate13 22662 1.Qc8+ Kh7 2.Qf8 Ra1+ 3.Kg2 Ra2+ 4.Kf3 Ra3+ 5.Ke4 Ra4+ 6.Kd5 Ra5+ 7.Kc4 Ra4+ 8.Kb5 Rb4+ 9.Kc6 Rc4+ 10.Kd5 Rc5+ 11.Kxc5 Ba7+ 12.Kc4 g5 13.Qg7# 0:00 3/5 Mate12 25711 1.Qh6 Ra1+ 2.Kg2 Ra2+ 3.Kf3 Ra3+ 4.Ke4 Ra4+ 5.Kd5 Ra5+ 6.Kc4 Ra4+ 7.Kb5 Rb4+ 8.Kc6 Rc4+ 9.Kd5 Rc5+ 10.Kxc5 Bd6+ 11.Kxd6 g5 12.Qg7# 0:00 4/6 Mate12 29142 1.Qh6 Ra1+ 2.Kg2 Ra2+ 3.Kf3 Ra3+ 4.Ke4 Ra4+ 5.Kd5 Ra5+ 6.Kc4 Ra4+ 7.Kb5 Rb4+ 8.Kc6 Rc4+ 9.Kd5 Rc5+ 10.Kxc5 Bd6+ 11.Kxd6 g5 12.Qg7# 0:00 5/7 Mate12 55691 1.Qh6 Ra1+ 2.Kg2 Ra2+ 3.Kf3 Ra3+ 4.Ke4 Ra4+ 5.Kd5 Ra5+ 6.Kc4 Ra4+ 7.Kb5 Rb4+ 8.Kc6 Rc4+ 9.Kd5 Rc5+ 10.Kxc5 Bd6+ 11.Kxd6 g5 12.Qg7# However, Qc8+ is also a mate, and it takes only one move longer, so it certainly is "acceptable" for a comp to play it (just don't take the bishop afterwards). jm
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