Author: Robert Hyatt
Date: 16:54:49 12/03/03
Go up one level in this thread
On December 03, 2003 at 19:37:13, Jeremiah Penery wrote: >On December 03, 2003 at 16:22:27, Robert Hyatt 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. >> >>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... > >If you compile with the #define DETECTDRAW it will find almost instantly that >any move other than Rb4 is a blocked position draw. :) Have you tried it already? I'll give it a whirl tonight when I get home.. Although the opteron seems to be down right now. They were installing a firewall, so I might be dead until tomorrow.
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