Author: Tony Werten
Date: 00:37:41 10/17/03
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On October 17, 2003 at 01:54:20, Russell Reagan wrote: >On October 16, 2003 at 22:23:30, Dann Corbit wrote: > >>http://www.cs.man.ac.uk/~schalk/3192/large.pdf > >A very fine introduction indeed. I was somewhat suprised that forward pruning, >especially null-move, didn't get a mention, since his approach seemed to be to >touch on everything in an organized manner, without necessarily explaining the >details with much depth. > >One question I had... > >"Development of endgame databases; all five piece endgames were >solved. Some of these solutions were genuinely new, in that people >didn’t realize that one player could force a win in some of these. As a >result, the official Chess rules were changed." > >What rules were changed? The 50 move rule for certain endgames was changed into a 75 move rule. They were changed back after a while when it was clear that there were going to be more exceptions. Now, only the 50 move rule is in use. Tony
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