Author: Robert Hyatt
Date: 06:00:41 06/24/00
Go up one level in this thread
On June 24, 2000 at 03:51:47, Dann Corbit wrote: >On June 23, 2000 at 13:25:07, Robert Hyatt wrote: >[snip] >>Several months ago I posted some analysis from Crafty. On Tim's EV6 it was >>solving 230 in under 1 minute (it got 300 right on his alpha in < 60 seconds >>per move.) It took 16-17 plies as I recalled, but I did get a fail high on >>Rb4. I think my quad (at one point) took about 3 minutes to get this move. >>I haven't run it recently, but it seemed to be correct (to me). > >Thanks to Peter McKenzie's graceful analysis, I actually understand this >position now [there is hope!]. > >I think any program that can find the answer in tournament time control is >working a miracle. _The pedagogic_ anit-computer position (puzzled me pretty >well, too). > >1. It is a closed position >2. It calls for a positional sacrifice >3. The benefit is *way* down the road. > >I am guessing that the programs that did successfully choose this move did not >choose it because of a material gain. I really don't remember the details for Crafty's solution. However, I did post the output here so it should be findable. I only remember that the score jumped significantly with a fail high at depth 17 or so, although that _could_ be a positional sacrifice score gain, of course.
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.