Author: Marc Lacrosse
Date: 23:07:06 01/14/06
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> >Lacrosse's analysis showed above all that in the 87 positions he tested, that >Shredder 9 and Rybka scored 57% given 10 seconds, and Fruit and Toga and company >are much weaker with so little time, and thus much weaker in blitz. > > Albert Just a little point, Albert. What my little experience shows is not an argument for telling that engine A is better or worse than engine B at faster or slower time control. What I precisely did is the following : let say : - engine A solves "x" positions in 180 seconds and - engine B solves "y" positions in 18o seconds. I recorded: - what percentage of "x" engine A had already solved after 10 seconds - what percentage of "y" engine B had already solved after 10 seconds So each engine is compared at 10 seconds with the number of positions that it will solve _itself_ at 180 seconds So when I record that Rybka has a 57% score and Fruit a 39%, this does _not_ say that Rybka is "stronger" or "weaker" than Fruit, and we could have a much weaker 1800 elo engine getting a 80% (or a 15%) score in the same test. What the little test tends to show is just that rybka has already shown 57% of its own analysis capacity at 10 seconds whereas Fruit has a larger margin of improvement (compared with itself) when given a larger time control. Marc
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