Author: Robert Hyatt
Date: 13:23:21 12/03/03
Go up one level in this thread
On December 03, 2003 at 16:12:52, Dann Corbit wrote: >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. >> >>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 definitely wins. But Kb3 is a tempo waster, without purpose. I think Kb3 draws, because black wants to lock up the pawns before b6 can be played. Be3 maintains that threat, but b6 has to be played next move (I think I remember analyzing this). > >>What tricks do you use which helps you solve WAC100 and/or WAC230? > >To solve WAC230, increased the value of a passed pawn if you see a blockade and >you are ahead on material. > >>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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