Author: Robert Hyatt
Date: 12:40:29 09/04/01
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On September 04, 2001 at 14:02:26, Roy Eassa wrote: >On September 04, 2001 at 12:16:55, Robert Hyatt wrote: > >>The kind of anti-computer tactic I have been working on is blocked pawn >>positions. I haven't seen _any_ program that knows how to exploit such >>positions, including my own (at present). Crafty has become fairly adroit >>at preventing most blocked positions, but it doesn't know when to block them >>when it should (this will come in time). However, against computers this >>is worthless code since none know how to block the position, then exploit >>it against an opponent. Which means that simply crafty is going to spend time >>trying to avoid blocked positions for the wrong reasons, against another >>program, and end up in an inferior (but unblocked) position and lose, where it >>could well have drawn by being more conservative. This "change" in the eval >>will happen before too much longer, so that it will know when to avoid blocked >>positions and when to block them itself to avoid difficulties. Right now it >>is all of one and none of the other, which is not so great. >> > >(Jokingly:) Crafty should pop up a message box at the beginning of each game, >saying: > >"WARNING: If you want Crafty to be the strongest possible opponent in the >upcoming game, you MUST now say whether Crafty's opponent is a human being or a >computer program!" > >There would be two radio buttons, and the selection would completely determine >whether or not Crafty should go out of its way to avoid blocked positions. > >Problem solved. On a chess server this info is already present. It just doesn't (yet) use it to disable the anti-blocking code.
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