Author: Enrique Irazoqui
Date: 03:17:19 12/17/99
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On December 16, 1999 at 20:25:40, Dann Corbit wrote: >On December 15, 1999 at 18:05:24, Enrique Irazoqui wrote: > >>On December 15, 1999 at 17:17:46, Abel Dávalos wrote: >> >>>Your should try with Shredder 4.0, it play a5 after 30 seconds >> >>On a modest PII-300 with 64MB hashtables, Shredder 4 picks a5 at ply 20, after >>62 seconds. But more interesting than picking a5 or not is the evaluation. The >>--15.17 of Shredder and similar by Crafty, Rebel and Zarkov don't make Torstein >>wrong, no? It should be 0.00. > >True, the computer did not know the real reason to make the move. But after a >couple correct guesses in a row things like that are often discovered. Right >now, it is too far over the horizon, but it could pop into view at any time. At any long, looooong time. >As >it stands, they chose the right move for the wrong reason. For that exact >reason, I think a EPD test position should also have a target CE to know if the >"answer" was found or it just stumbled onto the right move by accident. A real >downside of scoring a move as "right" if the correct move is chosen is that some >programs will stop instantly if they have chosen the correct move, even though >the CE would tell them that they are about to die. Well... they only stop the search when they see mate. But I agree with you: if they pick the good move for the wrong reasons, they don't solve the problem. >Someone once said "It's better to be lucky than good." >Personally, I don't believe in luck. But I do believe in probability. >;-) In my town there are a couple of professional backgammnon players that when find someone that believes in luck put up a big smile and start playing for high stakes. :) But there is also luck sometimes. For example, if Tina was told that she is redundant, it means that she had the horrible luck of relating to blind idiots, no? Enrique
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