Author: Robert Hyatt
Date: 03:39:35 08/04/98
Go up one level in this thread
On August 03, 1998 at 22:46:59, Amir Ban wrote: >On August 03, 1998 at 18:24:25, Komputer Korner wrote: > > >> >>We are getting hung up on the null move issue. Crafty uses null move but is >>still a full width program. CM 5000/5500 and Rebel 9 are selective searchers. >>Yes null move is a form of selectivity, but it is so common even among the full >>width programs that I discount it as a test of whether a program is selective or >>not. >>-- >>Komputer Korner > > >This is an exercise in circular logic. Your point is correct, because you assume >it is. There are no full-width searchers in existence, and if you grant the >title to null-movers like Fritz, then everyone is a full-width searcher. > >Amir there is one: Deep Blue, which doesn't use null-move. Cray Blitz is a close second with R=1, only one null allowed in any path, which means a one ply reduction max, no matter what...
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