Author: Bruce Moreland
Date: 10:07:17 01/13/98
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On January 13, 1998 at 12:57:43, Stuart Cracraft wrote: >Years ago I remember reading something where Dan and Kathe Spracklen >(remember them?) said that the addition of the square-of-the-pawn >rule-of-thumb to their program increased is strength significantly. >(I think they said a whole USCF class!) I had heard this as well. I don't agree, but there are two possible explanations: 1) It matters more for programs on very slow hardware, possible especially against humans. 2) They were wrong then as well as now. I don't care which, but I think they are clearly wrong now. If you add or subtract this knowledge you will notice little difference. I think I have it in my program now, but I had it out of my program for like 6 months and nothing bad happened that I noticed. You might lose a game now and then, but that's not a whole class. You sure won't go from 2400 to 2600 if you add this. There are a few bits of chess programming lore that nobody questions, and this is one of them. bruce
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