Author: Harald Faber
Date: 12:55:29 12/29/99
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On December 29, 1999 at 09:09:53, Ramón Martínez wrote: >On December 29, 1999 at 00:11:26, Harald Faber wrote: > >>On December 28, 1999 at 20:15:52, Vicente Fernández wrote: >> >>>Here I post the games of a minimatch between Rebel Century and Shredder 4, on >>>two computers, one k6III-400, 128 ram, and the other a K6II-300, 128 ram. Games >>>in 30 minutes each, handled manually. Programs played alternating computers. >>>Rebel Century play with its strongest settings plus antigrandmaster= smart, 60 >>>hash. Shredder played with 90 hash. >>> Frankly, I expected much more from Shredder 4. A 3.5-0.5 result for Rebel was >>>too much for me, but then came the surprise. As far as I can see, Shredder's >>>book needs improvement: The World Champion starts thinking when Rebel still has >>>three or more moves on its book. And the evaluation... just see for yourselves: >>>it just keeps jumping from +40 to - 1.40 and so on, while Rebel's is steady and >>>reliable. I don't know what's the matter with Shredder 4 (yes, I turned the >>>commentary off etc. etc.), but it doesn't look like a World Champ in my >>>machines. And considering the unsteady evaluations, I won't use it either for >>>game analysis. Compared to Hiarcs 7.32, Rebel Century, Chessmaster 6000, Fritz 6 >>>(light), Fritz 5.32 or Junior 5, Shredder 4 's evaluation is a joke. Please, >>>take a look at the games and to the jumpy evaluations. Compare them to the ones >>>you get from Rebel Century and see the difference. >>>Vicente F. Herrasti >>> >> >>Apparently you, like some others, underestimate Rebel. >>And 4 games rapid chess is a) very few and b) not comparable with tournament >>time control. > >I don't underestimate Rebel. Far from it. And yes, it is obvious that game 30 is >not equal to tournament time control. And more yes, of course I know 4 games are >not enough. My point was the irregular evaluation I noticed on Shredder 4. As an >example, look at the first game, move 31: eval: +.33. MOve 32: -2.83. Century >saw this 3 or 4 moves before and Shredder didn't even notice. This happens to all programs. >By the way: ¿Why >did you understand that I underestimated Rebel? I cannot read anything in my >post that leads to such an opinion. Neither did I said anything like "4 games >are enough". Your tone was a bit disappointed, such as if you expected Shredder4 to win clearly.
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