Author: Dann Corbit
Date: 10:13:57 01/31/02
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On January 31, 2002 at 06:58:28, David Rasmussen wrote: [snip] >>Just like "ply" means 20 different things to 20 different programmers. Even >>"nodes" does not always mean the same thing. >> > >Agree with you on nodes, but ply? Ply is pretty well defined, I think. For sure it is not. In fact, even when we agree, we disagree. Every single chess program will have a tree of a different shape. So even when we count plies the same way, the actual search can be incredibly different (with the number of nodes visited differing by several orders of magnitude). Compare, for instance, Mchess with Goliath. Junior [for instance] does not count plies the same way as other programs. Ply is ill defined. In fact, I think it is actually impossible to define it accuracy, except in the brute force sense. And absolutely nobody exhausts a ply when doing chess games with an engine. [snip]
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