Author: Mikael Bäckman
Date: 07:38:00 10/14/03
Go up one level in this thread
On October 14, 2003 at 07:21:47, James T. Walker wrote: >On October 14, 2003 at 06:46:39, martin fierz wrote: > >>On October 14, 2003 at 06:19:17, Gerhard Sonnabend wrote: >> >>>Hi ! >>> >>>The second match is closed. >>>(I only post the short tables here) >>> >>>Could any chessprogram profit from longer/shorter levels ? >>> >>>At the moment i carry out an experiment to find out if there are chessengines >>>which profit from shorter or longer (time)levels more than other engines. >>>Played on a P4-1600 / 64MB HTs / 4-TBs / ponder=off >>>with the "Noomen" (A-H) (=160 games every match) under the ChessBase-Fritz7-GUI. >>> >>>Completed are: >>>Shredder 7.04 vs Junior 8.0.0.2 >>> Total (+ 1/2 -) >>> 5min/game 98.5-61.5 (87-23-50) >>> 10min/game 94.0-66.0 (76-36-48) >>> 30min/game 92.5-67.5 (70-45-45) >>>120min/game 89.5-70.5 (65-49-46) >>> >>>and: >>> >>>Shredder 7.0(CB) vs Fritz 8.0.0.5 >>> Total (+ 1/2 -) >>> 5min/game 63.0-97.0 (40-46-74) >>> 10min/game 68.0-92.0 (49-38-73) >>> 30min/game 72.5-87.5 (47-51-62) >>>120min/game 68.5-91.5 (43-51-66) >>> >>>The current matches is (after 120 games per Level): >>>Chess Tiger 15.0(CB) "Normal" vs Beta-WIN-Rebel 12 (style=Test12a) >>> Total (+ 1/2 -) >>> 5min/game 83.0-37.0 (68-30-22) >>> 10min/game 80.0-40.0 (63-34-23) >>> 30min/game 68.5-51.5 (48-41-31) >>>120min/game 65.5-54.5 (41-49-30) >>>(Played on a Cel. 1.8GHz / 128MB HTs / ...the rest look above) >>> >>>The details and the games can be found on: >>>www.pcschach.de >>> >>>Best G.S. >> >>nice tests! shredder vs junior and CT15 vs rebel 12 beta at least show trends of >>favoring one program at short and another program at long time control. >> >>this seems quite natural to me. if one program has better move ordering than >>another it will do better at longer time controls, since better MO is an >>exponential gain. i have seen this behavior in my checkers program in matches >>against another program - mine does better at longer time controls. and, since i >>know the other programmer well, i also know that i spend a lot more time on move >>ordering. so i'm not really surprised about my checkers result. i'm more >>surprised that some people don't want to believe that this effect exists :-) >> >>cheers >> martin > >So what would happen if you took Shredder vs Junior & CT15 vs Rebel 12 beta and >played them at G/120 minutes on a 286-12Mhz cpu ?? I guess the results would be similar to the 5min/game listed above. /Mikael
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