Author: Uri Blass
Date: 12:32:13 09/29/00
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On September 29, 2000 at 14:40:05, Fernando Villegas wrote: >Hi Bob >Well, let me give you a more detailed an idea of what I try to mean. >Suppose the program is already in a losing track. From then on what I say is >that he should try to put the opponent in the more tricky scenaries, not jus >looking for the best thoeretical move to do. How to do it: maximizing the chance >of the opponent to blunder. Example. Supose Crafty plays and has two moves and >the adversary has three moves in answer for each of those two moves. This, of >course, is just an example. >Now, supose move A has the following answers: move x, score 5+; move y, score >5,5+ and move z, score 5,9+ >Then you have move B with the following possible answers: move x1, with score >6,7+; move y2, with score 5,0+ and move z2, with score 1- > >Now, in the usual way, Crafty would choose move A, as much even the best >opponent move there is just 5,9+, but with move B the opponent has the chance to >play x1, with score 6,7+. >What I say is that in this field of bad scores, that kind of reasonning has not >too much sense as anyway, with 5.0+ or with 6,7+, anyway the program is lost. So >the idea of a swindle comes, as in human games: you choose move B because there >there is a chance the opponent will mistake and play z2, with score 1-. This is not so simple. The question is if there is a practical chance that the opponent is going to blunder. It is possible that move A is better from practical reasons because because after move A there is a practical chance that the opponent is going to blunder when after move B there is no practical chance that the opponent will miss the +6.7 move. I think that it is not a good idea to invest time on swindle mode if you want to win humans in regular games and it is better to invest time in preventing a bad position in the first place. Ideas for swindle mode can be used only if they are good and simple to do and I think that the idea that you suggest is not good and is not simple. Uri
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