Author: Robert Hyatt
Date: 05:02:52 03/22/99
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On March 21, 1999 at 21:04:55, James T. Walker wrote: >I played 100 games with Crafty 16.5 vs Crafty 16.5 with all 3/4 man tablebases >and a few 5 man tablebases in an attempt to determine how much help the >tablebases are. Has anyone else done this and if so, what was the result? >The final score was Crafty w/tb +32 =38 -30 or 51 to 49. The first 50 games >were very different from the second 50 games even though the match was >uninterrupted for the 100 games. > First 50 Crafty w/tb +21 =15 -14 > Second 50 " " +11 =23 -16 >It looks like two different programs. Just shows that even 50 games is not a >large enough sample to prove anything. I still don't know what the ELO gain is >from tablebases ! I'm planning on a couple hundred more games later this week. >If anyone else has done this (Bob?) please post your results. >Jim Walker >P.S. These were only Game/5 minutes. I haven't tried this and have no idea. I think the affect is 'minimal' but not insignificant, whatever that means. :) But against 'good' programs I see a fair number of tablebase games, that are likely won instead of drawn, or drawn instead of lost, only bacause of the tablebases.
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