Author: Ross Boyd
Date: 05:08:44 08/25/04
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On August 25, 2004 at 06:42:47, Vikrant Malvankar wrote: >Your Rating List No, no, not my rating list. As mentioned, this list was published in The Bulletin's chess column in July 1985. > >2700 ... World Champion >2550 ... Average GM >2400 ... Average IM >2200 ... National Master >2000 ... Strongest Computers (this was 1985 remember) >2000 ... Candidate Master >1550 ... Average Club Player >1000 ... Average social player > >Well based on the testing done by me > >Commercial programs on P-IV 2.0, AMD ATHLON 2200 (Fritz, Junior,Shredder) >approximately score about 2650-2700 are as good as Average GM and World Champion Interesting! >in open unbalanced positions. but remember this applies to playing among >themselves only. As far as playing a strong GM well computers have yet to learn >a lot I consider them abt 2550 playing on the above Hardware playing at normal >controls against Super GM. If u increase the speed things definitely vary but >not the knowledge (chess) in the programs. Thats why Deep Blue lost the match to >Kasparov in 1997. Yep, GM's have a phenomenal positional knowledge... and the tactical ability to forcefully steer the game towards a favourable position. Meanwhile a chess engine tries for tactical shots. > >Todays free programs e.g. Crafty, Ruffian are also quiet strong and tactical >monsters. On above hardware at Blitz Time Controls they are abt. 2650. but >normal Time Control they are 2500 only. I appreciate your estimate. From a purely subjective POV I would have guessed a little higher myself, perhaps 2600 - I have no empirical data. I've long given up trying to beat the latest engines. > >This is a rough estimation based on my testing only for more accurate evaluation >of Computers vs computers Pl. go to SSDF rating list. Yes, I've followed SSDF from the beginning but there is little indexing between SSDF ratings and FIDE ratings, as far as I know. I would surmise that a midrange engine like Fruit would achieve maybe 2350-2400 against humans - based on Crafty/Ruffian scoring 2500 at normal tc. Obviously, these guessing games are horrendously inaccurate, but I was just curious. Thanks for your post, Ross
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