Author: John Merlino
Date: 09:11:01 07/02/03
Go up one level in this thread
On July 02, 2003 at 10:12:32, Charlie GOLD wrote: >How long does it take for your computer to find a mate in 11? Notice anything >about the position? > [D] 8/bqn3pp/k1r2R2/ppp2QRn/P1B2r1P/KNN2pp1/8/8 w [D]8/bqn3pp/k1r2R2/ppp2QRn/P1B2r1P/KNN2pp1/8/8 w - - 0 1 An easy one for CM9000, finding mate in 11 in less than one second: Time Depth Score Positions Moves 0:00 1/3 6.46 6061 1.axb5+ Nxb5+ 2.Bxb5+ Kb6 3.Qxc5+ Kc7 4.Rxc6+ Kb8 5.Qd6+ Ka8 6.Rxh5 0:00 1/4 12.41 31137 1.axb5+ Qxb5 2.Rxc6+ Kb7 3.Rxc7+ Kxc7 4.Nxb5+ Kd8 5.Qd5+ Kc8 6.Nxa7+ Kb8 7.Nxc5 0:00 1/5 Mate11 143530 1.axb5+ Nxb5+ 2.Bxb5+ Kb6 3.Qxc5+ Kc7 4.Rxc6+ Kb8 5.Qd6+ Ka8 6.Rc8+ Qxc8 7.Bc6+ Qxc6 8.Qxc6+ Kb8 9.Rb5+ Bb6 10.Rxb6+ Ka7 11.Qb7# 0:01 1/6 Mate11 335090 1.axb5+ Nxb5+ 2.Bxb5+ Kb6 3.Qxc5+ Kc7 4.Rxc6+ Kb8 5.Qd6+ Ka8 6.Rc8+ Qxc8 7.Bc6+ Qxc6 8.Qxc6+ Kb8 9.Rb5+ Bb6 10.Rxb6+ Ka7 11.Qb7# 0:03 1/7 Mate11 948747 1.axb5+ Nxb5+ 2.Bxb5+ Kb6 3.Qxc5+ Kc7 4.Rxc6+ Kb8 5.Qd6+ Ka8 6.Rc8+ Qxc8 7.Bc6+ Qxc6 8.Qxc6+ Kb8 9.Rb5+ Bb6 10.Rxb6+ Ka7 11.Qb7# As for "noticing something", other than the pieces spell out "86", nothing seems obvious. jm
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.