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More swiss tournaments, best in three shorter matches and clocks

Posted By: Matt Cohn-Geier
Date: Monday, 13 October 2008, at 5:29 p.m.

In Response To: More swiss tournaments, best in three shorter matches and clocks (Bob Koca)

Not a good way to do it. Player's skill changes over time

Sure, but the ELO is taken from when the games were played.

and also the rating changes over time due to random fluctuations even if skill does not.

True. However, I think with enough data (if the database is millions of games instead of thousands), this problem goes away.

Better would be to get different levels of a bot to play itself. No problem of the skill changing and can get enough games to get a "true" ratings.

Bots don't play the same as humans, so it's tough to say. GNU 0-ply is about 100 ELO weaker than 2-ply, I think. But 0-ply will almost never miss a cube. Also if you are playing someone who is 200 or 300 ELO weaker than you they may have a very bad misunderstanding of match play, which bots do not.

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