Author: John Merlino
Date: 09:45:12 03/06/02
Go up one level in this thread
On March 06, 2002 at 12:00:02, Miguel A. Ballicora wrote: >On March 06, 2002 at 11:01:26, John Merlino wrote: > >> >>[D]7k/2p3p1/4Q2p/p3n3/2pBP2P/2P3P1/1r2q3/5RK1 w >> >>Time Depth Score Positions Moves >>0:00 1/3 0.00 5111 1.Rf8+ Kh7 2.Qg8+ Kg6 3.Qe6+ Kh7 >>0:00 1/4 0.00 23042 1.Rf8+ Kh7 2.Qg8+ Kg6 3.Qe6+ Kh7 >>0:00 2/5 Mate15 57975 1.Rf8+ Kh7 2.Qg8+ Kg6 3.Rf6+ Kxf6 >> 4.Qf8+ Ke6 5.Qe8+ Kd6 6.Bxe5+ Kc5 >> 7.Bd4+ Kd6 8.Qd8+ Ke6 9.Qd5+ Ke7 >> 10.Bc5+ Ke8 11.Qe6+ Kd8 12.Be7+ >> Ke8 13.Bf6+ Kf8 14.Qe7+ Kg8 15.Qxg7# >>0:01 2/6 Mate15 106803 1.Rf8+ Kh7 2.Qg8+ Kg6 3.Rf6+ Kxf6 >> 4.Qf8+ Ke6 5.Qe8+ Kd6 6.Bxe5+ Kc5 >> 7.Bd4+ Kd6 8.Qd8+ Ke6 9.Qd5+ Ke7 >> 10.Bc5+ Ke8 11.Qe6+ Kd8 12.Be7+ >> Ke8 13.Bf6+ Kf8 14.Qe7+ Kg8 15.Qxg7# >> > >Interesting. My program Gaviota finds Mate in 15, with the same sequence >of moves in 18 seconds on a PIV 1.4 Ghz. Also, at ply 6 and I am very happy with >that. The interesting part is that Gaviota requires ~2Mega positions >where CM requires only 100K. In this particular position CM's tree is >20-fold leaner! I will have to work hard on trimming the fat! Actually, CM finds it in <60K moves. Look at the first Mate15 PV. Still, though, your program certainly finds it in a respectable time! 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.