Author: Robert Hyatt
Date: 19:46:38 10/11/02
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On October 11, 2002 at 13:39:29, Russell Reagan wrote: >On October 11, 2002 at 13:15:28, Robert Hyatt wrote: > >>I was just trying to answer the question: >> >>"what is the Elo improvement for a program that uses null-move over a program >>that does >>not, everything else being _identical_??" >> >>The last time I had tried this I got numbers between 50 and 100. Seems to still >>be the case, >>if we are talking about longer games (not blitz). > >So what about a program like Junior that doesn't use null-move? If you added >null-move to Junior, you might see zero improvement, or null-move might actually >get in the way of other techniques. Obviously the improvement is either very >small or there is none, or else I imagine it would be a part of Junior. So are >we talking about... > >1. Programs that use null-move forward pruning and no other form of forward >pruning. > >vs. > >2. The same program will null-move turned off. > >? > >Russell I can't logically go that far... Instead: 1. Crafty with null-move on vs 2. crafty with null-move off.
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