Author: John Merlino
Date: 17:23:08 05/21/04
Go up one level in this thread
On May 21, 2004 at 19:32:33, George Tsavdaris wrote: >Black threatens mate and white's Queen. What white should play? >Give it's Queen of course! Qf4!! and white is winning. > > Impressive for humans but not for computers, as any chess engine can solve >this in seconds.... > >[D]1kbr3r/pp6/8/P1n2ppq/2N3n1/R3Q1P1/3B1P2/2R2BK1 w - - 0 1 Wow. As close to an "instant" announcement of Mate in 11 as you're likely to get. This is by CM_SKR on an AMD 2500: Time Depth Score Positions Moves 0:00 1/3 -7.74 1361 1.Bg2 Nxe3 2.Rxe3 Be6 0:00 1/3 -4.87 2102 1.Qf4+ gxf4 2.Bxf4+ Ne5 3.Bxe5+ Ka8 4.Bxh8 Qxh8 0:00 1/4 -4.54 2747 1.Qf4+ gxf4 2.Bxf4+ Ne5 3.Bxe5+ Ka8 4.Bxh8 Qxh8 5.Bg2 0:00 1/5 Mate11 9002 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 22453 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 50388 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 1/8 Mate11 66513 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 1/9 Mate11 105479 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 1/10 Mate11 180249 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 1/11 Mate11 327999 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 1/12 Mate11 750568 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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