Author: Stephen A. Boak
Date: 22:22:12 10/27/04
Go up one level in this thread
On October 27, 2004 at 03:40:17, Gregory Owett wrote: >On October 26, 2004 at 17:35:19, Dann Corbit wrote: > >>On October 26, 2004 at 04:12:15, Gregory Owett wrote: >> >>>Hello, >>> >>>When You make calculate the elo-engines by elostat in tournaments, do You set >>>the base to 2400 or more? >>>I know, that depends on which machine they play, but for ex. on a P4 2.2 Mhz. >> >>It does not matter what number you set the starting Elo to. The thing that is >>important is the distance between the scores. >> >>However, just so that people will not freak out, I usually set the score to what >>I think is approximately the Elo of the center of the group. >> >>If you want to raise some eyebrows, set it to 1800 or 3000. Always good for a >>laugh. > > >I see. But if everyone would use the same base, we could compare our >classifications. > >In any case, thanks for your answer. Gregory, 1. Why would one particular base be better than another if everyone does *not* test exactly the same programs, with exactly the same configurations, consisting of: all program settings including same time controls, CPU type, CPU speed, Hashtable size, available Endgame tables, etc? Do not be frustrated if other testers use a different base (see Item 2, next). 2. Simple base conversion technique (if desired): Simply add or subtract a fixed quantity of base points from another tester's known base until his base amount is adjusted to match your base. Then add or subtract the same quantity of points from the other tester's program rating results. The bases will now be equal and the relative rating results between the programs in his test will be preserved. This will easily normalize his base to your base, and his rating results will be converted to the base you wish to use. As Dann said (please read this 3 times to be sure you understand): >>It does not matter what number you set the starting Elo to. The thing that is >>important is the distance between the scores. Regards, --Steve
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