Author: Keith Ian Price
Date: 19:39:45 08/20/02
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>>I can't imagine what one would have to do to cause Crafty to behave like >>this. But anything is possible. I would be very surprised if a GUI could >>cause this. Perhaps bad changes or a buggy compile could do the trick nicely, >>however... > > >Actually there is a way. The GUI could be sending the wrong moves (or bad >moves) so that the position crafty is looking at is not the same as the position >that is really on the board. I don't know a thing about arena... does it check >moves for legality? If not, then if the opponent sends something bogus the two >programs could certainly get "out of sync" and you could see such nonsense. But out of sync or not, Ra1xe5 is not a legal move. What I am wondering is, if he set up Crafty as a UCI engine, instead of a Winboard engine, could Arena misinterpret what Crafty is saying so as to make these moves, even though they are illegal? I have to assume Arena has no checks for legality, since it happily reported these moves... kp
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