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Subject: Time controls for engine v engine matches.

Author: Chris King

Date: 10:26:35 05/04/01


Although there is a huge difference between blitz chess and normal chess for
humans isn't it true that for computer programs, that don't fell pressure, the
only difference is the depth of search. After all programs are analysing
millions of positions per move even at blitz chess on today's computers. So
engine v engine results played at blitz should only reflect results played at
longer time controls. I have often seen it stated that certain engines play
better at longer time controls, but is this really so. I have also seen it
stated that at longer time controls an engine has more time to formulate a plan.
If this were true the nodes per second count would significantly reduce as an
engine looked deeper into a position and made it's more sophisticated plan. I
have never noticed such a reduction in nodes per second and isn't it true that a
computer program doesn't make plans in any human sense.
You can play far more engine v engine games at blitz which gives a statistically
more accurate measurement of the relative strength of each engine, or am I
missing something glaringly obvious here.



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