Author: Roy Eassa
Date: 11:02:26 09/04/01
Go up one level in this thread
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.
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