Author: Sam Slutzky
Date: 21:51:55 11/21/00
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On November 21, 2000 at 03:38:39, Dann Corbit wrote: > >In any case, b7 must be added. Any move that provably leads to checkmate is >just as good or better than any other choice. > >The EPD test suite must be amended. If your program chooses b7, that is a >correct choice. I'm not entirely in agreement on this. It would seem to be that the shortest mate is actually the proper solution to the problem although, of course, any mate will win. Likewise, in a mate-in-x problem, if a program doesn't find mate, but still plays a clearly winning move, it has not really solved the problem although it is certain to win. In an extreme case (as in some tablebase cases), a longer mate may actually be a draw due to the fifty-move rule. It's all semantics really, but I don't see that everyone needs to update their test suites in these cases. Sam
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