Author: Dave Gomboc
Date: 07:40:52 05/15/98
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On May 14, 1998 at 08:57:46, Vincent Diepeveen wrote: >... could be true. This means [Fritz] simply has no knowledge about what >to exchange. This is also the big weak point of Rebel. > >Ed schroeder states here that he is relying on leaf evaluation. >In that case, rebel doesn't have code about what pieces to >exchange. > >Main point is that you may not evaluate the exchanges. You should >look to the material that you keep afterwards. So the resulting >position. > >I dunno why Rebel+Fritz+genius and some others >are so horrible in these exchanges, but my first guess was piece square >tables. Now i say: perhaps mobility is a reason too. >The common thing of all these programs compared to Crafty, Zarkov, Diep >and some others is that they lack mobility terms. Crafty only has mobility for bishops at this point. I think Ferret is not using a general mobility term either, if I recall correctly. The trend has been to move away from measuring mobility (well or badly), not toward it. Dave Gomboc
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