Author: Shep
Date: 04:42:28 07/13/99
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On July 13, 1999 at 07:14:32, Terry Ripple wrote: >On July 13, 1999 at 07:03:27, Shep wrote: > >>On July 13, 1999 at 05:10:41, Didzis Cirulis wrote: >> >>>Hi, >>> >>>When playing on FICS (Computer(c)) Chess Tal lost a completely won game due to >>>some mismanagement of time. It did run out of time. So how does this program >>>learn in this situation? Will this line be considered good or bad next game? >>> >>>One more question: What happens if I start a new game when I am going to lose >>>this one? Is program learning at all in this situation? Is this learning >>>correct? >> >>Ed wrote that at least for Rebel, learning works OK in that case, even if the >>game does not end by checkmate or resigning on your part. >>IIRC Crafty also handles learning depending on the evaluation only, not "3rd >>party effects" like running out of time. >>This is reasonable; imagine the opposite situation where you have a won position >>against the program and then lose on time or resign by accident... >> >>Another "out-of-time" learning problem is perceptible in the Fritz GUI: >>If you play against another program (regardless if manually or eng-eng) and >>allow the opponent's time to run out, the Fritz GUI will flag this game as won >>in its book learning. >>So you should always stop the opponent's clock with "Ctrl-Q" after the Fritz GUI >>has moved. >>And in eng-eng Blitz games, you should disable learning altogether because one >>engine may lose on time in a won or drawn situation (seen this many times in >>5-min Blitz). >> >>--- >>Shep >---------- >Hi Shep, > Are you saying to disable Book Learning and Position Learning or just one? I would only disable book learning as I suppose that position learning is done during the game (thus based on the evaluations), not after the result of the match has been determined. --- Shep
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