Author: Robert Hyatt
Date: 21:20:14 08/20/02
Go up one level in this thread
On August 20, 2002 at 22:39:45, Keith Ian Price wrote: >>>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 No telling. Crafty won't understand UCI commands nor will it comply with them, which will likely wreck something... It should not make illegal moves according to its own log files, although it might make illegal moves because it is out of sync with the real board...
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