Author: leonid
Date: 04:46:17 10/06/01
Go up one level in this thread
On October 05, 2001 at 17:25:22, Paul wrote: >On October 05, 2001 at 16:02:14, Paul wrote: > >>On October 05, 2001 at 12:59:56, leonid wrote: >> >>>Today, after good explantion of how it must be done, I installed Chest (Heiner's >>>mate solver). It do the wonders on brute force search. I went to see some >>>positions that otherwise will be too slow for me to solve. It could be that you >>>can help me with one position. Your computer and hash could make solution more >>>speedy. Mine is Celeron 600Mhz, 64M. This position is actually one from three >>>similar positions one of which went to Web. This last was left as less >>>accessible. Just say me how far you went, or what solution you found. >>> >>>[D]kq4BK/pq4QQ/2qqnP2/1NnqQnN1/2QBqB2/5r2/RQ4qr/RQ4bb w - - >>> >>>Thanks, >>>Leonid. >> >>For now here's what Pretz found: >> >>00:40 WM12 12 Rxa7+ Q8xa7 Rxa7+ Kb8 Ra8+ Kxa8 Q1a1+ Qca6 Qxa6+ Nxa6 Qc8+ Qdb8 >>Qexb8+ Nxb8 Nc7+ Nxc7 Qxb8+ Qxb8 Qxb8+ Kxb8 Qxc7+ Ka8 Qb8# >> >>A mate in 12 in 40 seconds. >> > >As an exception to my general rule :), I've now tried this one with Chest. Just >finished the search for a mate in 10 without result, but in light of the times >and factors I can't start a mate in 11 search now, maybe tomorrow. > >Depth Seconds Factor > >6 .48 >7 3.32 6.9 >8 28.12 8.5 >9 266.92 9.5 >10 2348.34 8.8 > >So depth 11 could take about 6 hours. Thanks, Paul! Now for me only 11 moves is not sure. Cheers, Leonid. >Groetjes, >Paul
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.