Author: Norm Pollock
Date: 08:38:01 12/31/05
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On December 31, 2005 at 10:03:42, Torstein Hall wrote: >On December 31, 2005 at 09:59:28, Majd Al-Ansari wrote: > >>I have noticed a slight decrease in results also, but I would not attribute it >>to a weaker engine. I think it has more to do with time management. The newer >>version of Rybka seems to be playing moves much quicker and always has way more >>time than its opponent. I could be mistaken, but that is what I feel has >>happened. This will only be noticeable in short time controls. > >If I remember right you can set a time control parameter. Perhaps you can select >slow and see if that makes a difference. > >Torstein >> >> >> >>On December 31, 2005 at 09:48:13, James T. Walker wrote: >> >>>I have been testing the three versions vs only 3 programs at blitz. Here are >>>the results so far. First two version have played the same opponents exactly >>>the same number of games. Beta7 is catching up but so far..... >>> >>>1 Rybka 1.0 Beta 32-bit 2392 334 >>>2 Rybka 1.01 Preview 2 32-bit 2377 334 >>>3 Rybka 1.01 Beta 7 32-bit 2352 150 >>>4 Fritz 8 2341 232 >>>5 Fruit 2.2.1 2332 276 >>>6 Toga II 1.1 2306 310 >>>The downward trend of Rybka is disturbing even though the number of games is >>>small. I noticed the time mgt problem with Preview 2. I tried using "Slow" w/wo ""Slightly Positional" but it still did not get the results of "Beta". The "Beta" version of Rybka gets better results, and the "proof" is that the vast majority of engines on playchess use the "Beta".
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