Author: Chessfun
Date: 06:32:08 07/10/03
Go up one level in this thread
On July 10, 2003 at 05:45:57, ludicrous wrote: >Hi all, > >I just want to know where to find the games which were used to calculate the >ratings of the Selective Search list. > >They say it includes games of computers vs humans. > >I'd like to see some Shredder 7.04 vs Masters games. The list was only updated July 8 and pretty much says everything that needs to be said. http://www.elhchess.demon.co.uk/ehss.htm "Each computer/program's rating figure is calculated by combining its computer-v-computer results WITH its results against graded players in proper tournaments. The level of the finished List is determined by the results v graded players. More computer-computer games are played than those v. humans, as it is physically and financially impossible to obtain the number of games v. humans that we would wish. Gradings from computer-computer results do not always match those of computer-humans: a program CAN be prepared specifically to do its best against other computers, OR it can be programmed to do its best against humans! The latter is what USERS want, but programmers inevitably have one eye on our Rating Lists, and are aware of the preponderance of computer-computer games which produces them! Even so, my view is that it is BETTER to have some type of Computer Rating List, as an attempted measure for interested parties and as a guide for prospective purchasers, than to have no list at all... and SELECTIVE SEARCH does combine both types of result! The results on which my Ratings are based include my testing, that of Selective Search readers, and (with permission) the valuable SSDF scores. So the calculations combine MANY results and I hope that they achieve a high level of accuracy. The initial calculations are done in Elo, and converted to British BCF figures using the formula (Elo-600)/8 = BCF. The TOP RATINGS, including as far as possible all of the NEWEST PC programs and dedicated CHESS COMPUTERS, are:- PC PROGRAMS Ratings are calibrated to Pentium2-3/MMX/K6-7 machines running at 500MHz. .............BCF Elo.. Program 1 261 2694 Shredder7 2 259 2679 Fritz8 3 259 2675 Deep Fritz7/8 (est. +50 on dual/1000, +80 on quad/1000) 4 258 2668 Junior8 (based on 158 games) 5 258 2667 Fritz7 6 258 2664 Chess Tiger15 7 254 2636 Gambit Tiger2.0 8 254 2635 Chess Tiger14 9 253 2626 Shredder6/632 10 253 2624 Hiarcs8 11 252 2618 Junior7 12 251 2611 Fritz6a 13 250 2600 Gambit Tiger1.0 14 248 2591 Rebel Century4 15 248 2588 Junior6a "
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