Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Crafty and EGTB Question

Author: Ed Trice

Date: 17:52:37 06/16/04

Go up one level in this thread


Hi Mike,

I am familiar with the exit and egtb line items in the .rc file. However, the
position I am tested cannot be played properly unless the R + P vs. R database
is PROBED IN RAM during the search.

Even strong programs can search for a sufficient length of time and play the
incorrect move, unknowingly giving away the draw from a won position.

The idea is not to just play perfectly once in a theoretical win, but play
perfectly in a postion where a pair of pawns must come off of the board, but the
correct exchange is not obvious to a program.

I have a 7 piece positon, R + 2P vs. R + P, and a deep search with the 5-piece
database of R + P vs. R should solve it from the parent position if the EGTBs
are being probed properly.



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.