Author: David Rasmussen
Date: 23:14:55 01/12/01
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On January 12, 2001 at 22:08:50, Bas Hamstra wrote: >I don't know if it useful to compare nodes this way. My first PV at depth=10 >comes in the order of nodes of GT, but then it switches 4 times, to end at a4 at >22M nodes. I might be that GT was lucky to not have those expensive PV switches. > >Bas. > > I know that it is a possibility, but it was the only example I had of a program that might have searched the position in considerably less nodes. Nevertheless, there ARE programs that are more selective than Chezzz and Crafty, and Christophe has countless times stated that he considers high selectivity far superior to more conservative brute-forcedness, when implemented correctly. So regardless of whether this position is representative ro not, I would still like to know a little bit about how the more selective programs achieve their selectiveness.
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