Author: John Merlino
Date: 12:25:09 02/06/03
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On February 06, 2003 at 14:23:24, Ralph Patriquin wrote: >On February 06, 2003 at 07:52:34, Harpo wrote: > >>After a 15 year hiatus, I'm planning to return to tournament play. In >>preparation, I've been playing 30/75 SD60 games against a handful of CM9K's >>personalities. I recall reading somewhere that these were guaged with USCF-rated >>players, but I would appreciate any opinions from OTB players as to how accurate >>these ratings "feel." I'm only curious about the personalities rated from >>2100-2500. >> >>Thanks in advance. > >Harpo, > >As John Merlino mentioned, some of the personalities exhibit rather bizarre >playing styles that cause them to make moves that in my opinion even a >relatively weak human player would not . I think you might find it will hurt >your play by training with them. > >I prefer to use the Chessmaster and other Grandmaster personalities but simply >weaken them by adjusting their Strength of Play setting. You might want to start >out at 50% and adjust from there in 10% increments up or down until you get a >challenging game. > >In this way you get a more balanced game with different playing styles, but >without the crazy play exhibited by some of the other personalities. You will >also play against better and varied opening books. The only downside is you >won't know the true rating of these opponents. Maybe John can explain how >Strength of Play works and a possible rating estimate from it, as I have no idea >as to its internal workings. > >Ralph Simply adjusting the Strength of Play setting is a good idea, but this setting is not exactly intuitive. The way Johan set it up this variable, it uses an inverse cubic function. So, going from 100 to 90 (or even 85) will result in VERY little reduction of strength. Once you get below 80, the strength starts to fall off more dramatically. So, looking at other personalities will help in this regard as well. jm
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