Author: blass uri
Date: 15:18:42 12/09/99
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On December 09, 1999 at 17:41:00, Robert Hyatt wrote: <snipped> >We now have two issues. Assuming you use a 64 bit hash signature, what is the >probability that two different chess positions produce the same 64 bit hash >signature? That would cause serious problems, because we store search results >and identify these results by the 64 bit signature, not the full position >description. If two different positions have the same signature, we would use >search results in the wrong places.. very bad. But this is _very_ rare. When the hardware gets faster it will not be very rare and the question is if crafty can lose at long time control with good hardware because of it. Can better hardware be counter productive? Is it possible that crafty with hardware 1,000,000 times faster is going to do stupid mistakes and lose because of it. I know that crafty did good results against Rebel in chess2010 but crafty used only 1 processor in this games. Is it possible that in this time control(and in a few years in tournament time control) more processors are counter productive? Uri
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