Author: Dann Corbit
Date: 13:36:04 02/21/02
Go up one level in this thread
On February 21, 2002 at 16:32:04, Bill McGaugh wrote: >On February 21, 2002 at 15:28:13, Thomas Lagershausen wrote: > >>Once again. To play matches with 5min/game +3sec is a joke. >> >>Chess needs time to find a plan. > >Your comment inspired me to do a quick statistical test of the difference >between the performance of chess programs at lightning speed vs. the performance >at longer time controls. > >I used the two lists on chessfun's site... > >To spare you the details, there is not a statistically significant difference >(at alpha=.05) between the two groups based on the evidence on that site. And yet, I have clearly seen engines perform very differently at different speeds. Resp and Gullydeckel overperform at blitz. Amy and Beowulf underperform at blitz. The chief thing about a bunch of games is: You can only draw conclusions about games under the *exact* same conditions. You can only draw conclusions within the statistical validity of the available data (e.g. it is silly to say that x is better than y if x has 2 more ELO points and the error bar is 500 points). IMO-YMMV.
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