Author: Heiner Marxen
Date: 10:33:24 08/07/01
Go up one level in this thread
On August 04, 2001 at 15:56:13, leonid wrote: >On August 04, 2001 at 15:13:24, Angrim wrote: > >>On August 04, 2001 at 09:01:36, leonid wrote: >> >>>Hi! >>> >>>Are you ready for solving some mate? Here is one: >>> >>>[D]q1qk1q1q/q1qrrq1q/1bQq1Qb1/1Q1QQ1Q1/BNn2nNB/1Q4Q1/3Q4/R2K3R w - - >>> >>>Please indicate your result. >>> >>>Thanks, >>>Leonid. >> >>proved that move f6xe7 wins, 12 turns >>PN2:4523172 evals, 98612 expands, 30.16 seconds > >This time we found mate by selective at the same depth but your probably is more >quick. > >12 moves selective in 105 sec. Celeron 600. No hash. > >By brute force I stopped searching before 8 moves. 7 moves took 18 min and 57 >sec. Hello Leonid, hello Angrim! Unfortunately, Chest is not much faster: "no mate in 8" after 38.1 minutes on a K7/600 with 350 MB hash. The effective branching factor is beetween 8 and 10, so more depth would cost a lot of time. And depth 12 is not reachable for Chest, here. Sorry. Cheers, Heiner
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.