Author: Dave Gomboc
Date: 07:59:51 10/15/99
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On October 15, 1999 at 04:42:00, Ed Schröder wrote: >To enrich the discussion about the value of the "Permanent Brain" (PB) I >have started 2 experiments with Rebel Century (RC) which will give some >data for a better judgement of the value (in elo) of the permanent brain. > >Thinking it all over I still believe that the best way to provide data is >to test the SAME program (PB_ON) versus (PB_OFF). > >Arguments: > >#1. Both programs are equal in strength. > >#2. There is no single evidence (yet) that the % of predicted moves is >higher playing the same program. Rebel (or any other program) percentage >against Program_X might be 25% and against Program_Y 75% and against >itself maybe 50%, nobody knows. > >The final result: > >Experiment-1: >RC (PB=ON) vs RC (PB=OFF) >100 auto232 games >Time control: 60 secs average. >Hardware: 4xPII-266 + 2xPII-450 >Result: 61-39 > >Experiment-2: >RC (PB=ON) vs RC (PB=OFF) >100 auto232 games >Time control: RC (PB=ON) 30 sec average >Time control: RC (PB=OFF) 60 sec average >Hardware: 4xPII-266 + 2xPII-450 >Status: 57-43 > >I find the 57-43 result quite shocking. I expected (and hoped for) a close win >for the PB_ON version but not a clear victory. > >I think it would be a wise thing if others are willing to do the same >experiment with other programs. Somehow I have the feeling you will >totally different results doing so. > >Ed Schroder Those looks like reasonably big advantages. My eyes are only half-open right now, but does anyone else want to come up with some expected ELO differences based on those results? Dave
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