Author: Robert Hyatt
Date: 13:22:27 12/03/03
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On December 03, 2003 at 15:54:45, Tord Romstad wrote: >On December 03, 2003 at 14:59:03, Robert Hyatt wrote: > >>=====================10 seconds per position======================== >>test results summary: >> >>total positions searched.......... 300 >>number right...................... 299 > >That's really impressive, even considering the fast hardware. The last >time I tried, I got 289/300 at 1 second/position, 293/300 at 3 seconds, >294/300 at 5 seconds, 295/300 at 10 seconds, and 298/300 at 20 seconds. > >The remaining two positions, number 100 and 230, are *never* solved. >I can let my program analyse for hours, but it still doesn't find >the solutions. In both positions, it thinks it is winning, but >never finds the right moves. I have gotten 230 in the past, but when I made some passed pawn changes of some sort, it went away. But even back then it took several minutes to choose the rook toss... > >In number 100, Gothmog switches back and forth between Be3 and Kb3, both >with a score around +4. In number 230, it plays Rh7 with a score around >+3.3. Be3 is a known cook solution in number 100. That or the pawn move wins, anything else draws. I get Rh7 myself for 230. That is the only one the current version misses.. > >What tricks do you use which helps you solve WAC100 and/or WAC230? > >And, I *REALLY* hope you're *NOT* planning to use that machine at CCT6, >because I'm probably going to be there with my PIV 2.4 GHz, searching >less than 200 kn/s ... :-) > >Tord
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