Author: Ray Rogers
Date: 14:48:15 04/16/05
Go up one level in this thread
On April 16, 2005 at 17:32:54, John Merlino wrote: >On April 16, 2005 at 17:20:10, Ray Rogers wrote: > >>On April 16, 2005 at 17:18:08, Ray Rogers wrote: >> >>>8/6pk/7p/2R2p1q/pp4n1/7P/P3Q1P1/7K w - - 0 1 >>> >>>OOPS (LOL) >>> >>>Ray (again) >> >>[D]8/6pk/7p/2R2p1q/pp4n1/7P/P3Q1P1/7K w - - 0 1 >> >>It's late here!! > >Is the problem to avoid Qxg4 or to find a particular move? > Avoid Qxg4. Most can't see past Qxg4 apart from Mephist Dallas etc. of that era. Most other machines would fail after hours of looking. There was some clever programming here eh. >Here's what CM9_R1 on an AMD 2500 says: > >Time Depth Score Positions Moves >0:00 1/3 4.05 931 1.Qxg4 Qxg4 2.hxg4 fxg4 3.Rc7 Kg6 >0:00 1/4 4.80 2526 1.Qxg4 Qxg4 2.hxg4 fxg4 3.Rb5 b3 > 4.axb3 axb3 5.Rxb3 >0:00 1/5 4.08 9377 1.Qxg4 Qxg4 2.hxg4 b3 3.axb3 axb3 > 4.gxf5 b2 >0:00 1/6 4.69 25015 1.Qxg4 Qxg4 2.hxg4 b3 3.axb3 axb3 > 4.gxf5 b2 5.Rb5 >0:00 1/7 4.29 88059 1.Qxg4 fxg4 2.Rxh5 b3 3.axb3 axb3 > 4.Rb5 gxh3 5.Rxb3 hxg2+ 6.Kxg2 >0:01 1/8 4.85 112995 1.Qxg4 Qxg4 2.hxg4 fxg4 3.Rb5 b3 > 4.axb3 axb3 5.Rxb3 g5 6.Rb7+ Kg6 > 7.Kg1 Kf5 >0:01 1/9 4.84 135922 1.Qxg4 Qxg4 2.hxg4 fxg4 3.Rb5 b3 > 4.axb3 axb3 5.Rxb3 Kg6 6.Rb7 h5 > 7.Kh2 h4 >0:02 1/10 4.89 197736 1.Qxg4 Qxg4 2.hxg4 fxg4 3.Rb5 b3 > 4.axb3 axb3 5.Rxb3 g5 6.Kg1 h5 > 7.Kf2 Kg7 8.Rb7+ Kf6 >0:03 1/11 4.89 365736 1.Qxg4 Qxg4 2.hxg4 fxg4 3.Rb5 b3 > 4.axb3 axb3 5.Rxb3 Kg6 6.Rb7 h5 > 7.Kg1 Kf6 8.Kf2 g5 >0:05 2/12 -4.41 996843 1.Qxg4 fxg4 2.Rxh5 g5 3.hxg4 b3 > 4.axb3 a3 5.Kh2 a2 6.b4 a1=Q 7.Rh3 > Qe5+ 8.Rg3 >0:15 2/12 1.32 3770865 1.Rb5 b3 2.axb3 axb3 3.Kg1 Nf6 > 4.Qxh5 Nxh5 5.Rxb3 Nf6 6.Kf2 g5 > 7.Kf3 Kg6 8.Rb7 >0:36 2/12 2.67 9908557 1.Kg1 Nf6 2.Qxh5 Nxh5 3.Rxf5 Kg6 > 4.Rb5 b3 5.axb3 axb3 6.Rxb3 Nf4 > 7.Rb7 Kf6 8.Kf2 >0:51 3/13 2.73 14444039 1.Kg1 Nf6 2.Qxh5 Nxh5 3.Rxf5 Nf6 > 4.Rb5 b3 5.axb3 axb3 6.Rxb3 g5 > 7.Kf2 Kg6 8.Kf3 Kf5 9.Rb7 >1:30 4/14 2.67 26817968 1.Kg1 Nf6 2.Qxh5 Nxh5 3.Rxf5 Kg6 > 4.Rb5 b3 5.axb3 axb3 6.Rxb3 Nf4 > 7.Kf2 Kf6 8.Rb6+ Ke5 9.Rb7 Ne6 > 10.Ke3 > >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.