Author: Joe T. Pangilinan
Date: 07:24:40 11/18/98
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On November 17, 1998 at 16:59:38, Joe T. Pangilinan wrote: >Computer Chess MAGAZINE: Selective Search > >RATINGS UPDATED: 24/Sep 1998 >My first involvement in Computer Chess appeared as an article in Mike Basman's >Magazine 'Popular Chess', in which I suggested that the manufacturers were >over-rating their Computers 'somewhat', and brought such a large response that I >decided to pursue the matter further. I subsequently started my Magazine in >1985, then known as 'The Computer Chess News Sheet', and my current readership >is a fairly steady 350. >In some ways the RATING LIST remains a key to the Magazine, but all matters >relating to Computer Chess are covered, including Articles and Reviews of latest >machines and programs, 'Best-Buy' Guides, Tournament and Match results with >games and analysis, occasional contributions by Programmers and leading Players, >discussion on Computer Progress, Playing Styles, plus Readers' contributions, >and much more. It is produced bi-monthly, and always includes updated and >separate Rating Lists for Dedicated computers (top 100) and PC programs (top >48). >I maintain a 'Top Ten' coverage here, updating it from time to time. The >MAGAZINE Listings have more details, including Ratings from games/matches v. >human opposition, so I hope Internet users will consider subscribing to it, as >income I receive from 'SELECTIVE SEARCH' is an important part of my livelihood! >SELECTIVE SEARCH RATINGS >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. Of course more computer-v-computer games are played than those >v-humans, as it is physically and financially impossible to obtain the number of >games of the latter type that we would wish. >We are aware that gradings from computer-v-computer results do not always match >those of a computer-v-humans, because 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 the USER will always want, but programmers >inevitably have one eye on our Rating Lists, and are aware of the preponderance >of computer-v-computer games which helps produce them! Even so, my view is that >to have this type of Computer Rating List as an attempted measure for the >programmers and other interested parties, and as a guide for prospective >purchasers, is BETTER than to have no list at all, especially as SELECTIVE >SEARCH combines all results! >(Please also note that the results on which my Ratings are based do include, >with permission, all the SSDF results). >As the calculations combine SO MANY types of results, I hope that they achieve a >high level of accuracy. The Ratings are initially calculated in British BCF >figures, before being converted to Elo figures using the formula (BCF * 8) + 600 >= Elo. >The TOP RATINGS, including as far as possible all of the NEWEST PC programs and >dedicated CHESS COMPUTERS, are:- >PC PROGRAMS >Ratings are based on Pentium Pro/MMX machines at 200-233MHz. >..............BCF.Elo...Program >250 2603 Fritz5 >248 2589 Nimzo98 >248 2585 Hiarcs6 >245 2566 Rebel9 >245 2560 Rebel8 >244 2559 MChess Pro7 >243 2549 MChess Pro6 >243 2545 Chess Genius5 >241 2530 Shredder2 >239 2513 Gandalf3 >234 2476 Junior4.6 >231 2448 Kallisto2 >227 2421 CS-Tal >Others of interest, on Pentium/133 machines, which = a loss of approx. 80 Elo: >[229 2435 Junior4.0] .... [229 2434 Chessmaster 5000+5500] .... [228 2430 >Nimzo3.5] .... [227 2416 Shredder1] .... [224 2397 Fritz4] .... [221 2370 W >Chess] .... [214 2317 Rebel Decade2.0] >DEDICATED COMPUTERS >Here I show the Computer, Elo grading, Price in U.K pounds, and a code to >indicate the type of board. w=wood, auto-sensory, ps=press-sensory, pl=portable >plug-in, pc=portable calculator. The * indicates a current model - others may >not be so easily available! >..............BCF.Elo...Computer >224 2394 Tasc R30-1995 UK1199 w >220 2363 Mephisto LONDON 68030 UK1299 w >216 2334 Mephisto LONDON PRO 68020 UK649 ps >214 2312 Mephisto RISC2 UK949 w >207 2263 Kasparov SPARC UK899 w >205 2241 Mephisto MONTREUX UK449 ps >204 2236 Kasparov RISC 2500 UK399 ps >201 2208 Mephisto ATLANTA* UK379 ps >196 2175 Novag DIAMOND2* UK269 ps >192 2140 Mephisto MILANO PRO* UK249 ps >Top port calculator: 196 2175 Novag SAPPHIRE2* UK225 pc >Top port plug-in: 179 2033 Kasparov TRAVEL CHAMPION 2100* UK99 pl or 175 2005 >Novag AMBER* UK139 pl
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