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Subject: Re: Better engine handicapping ?

Author: Dan Homan

Date: 15:05:25 10/23/00

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Power Chess 98 seems to have a wonderful handicapping system.  I am not
sure what they do, but I really like playing against it.

 - Dan

On October 23, 2000 at 15:50:07, Robert Pawlak wrote:

>A number of factors have lead to me to recently take another look at the state
>of playing programs. Sure, we've got stronger engines than ever, but it seems as
>though no one has yet to develop a really good method for handicapping program
>strength.
>
>Some of you may remember a recent thread here that discussed the use of weaker
>Winboard engines for play against humans. So there are some people that find it
>difficult to get a good game out of their commercial software. By "good" I mean
>a game in which the poor software owner does not get blown off the board in 30
>moves or less.
>
>I've made a partial list of the current crop of commercial engines, along with
>what I believe are issues with the ability to handicap engine play for each:
>
>Chessmaster 6000/7000 - Blunders away material early on in the game, then plays
>like the All Mighty  until it's opponent is crushed.
>
>Fritz 6 - Still plays too quickly on the ELO handicaping levels. Tends to leave
>it's king in the middle of the board in friend mode. The Sparring setting can
>sometimes be interesting, howver, it seems to play very well in the absence of
>tactical threats...
>
>Rebel - ELO handicapping used to work pretty well. Indeed I thought Rebel was
>the best in this respect. But now I have trouble due to a faster
>machine/different CPU. In general, it plays a very strong game, even at the
>lower ELO levels (and with few, if any,  tactical mistakes).
>
>There are plenty of other programs (i.e. Shredder) that do not support ELO
>handicapping at all.
>
>Clearly, program strength sells. And it seems to be where everyone's interest
>is. But I really think a bit more attention needs to be paid to satisfying those
>of us that are not Masters, and really want to use a playing program for it's
>intended purpose!
>
>Can someone tell me why there is not more emphasis placed on this aspect of
>engine design? The obvious answer is that it is not very glamorous, and
>therefore cannot be used to sell a program. But let's set this excuse aside for
>a momement. Is it mostly that there is no perceived need, or is it a problem
>with calibration, testing, or handicapping methods? Is there a solution?
>
>Does anyone even care? Sometimes it seems as though most people reading this
>board are playing engine matches, and not really playig against the programs
>themselves. And that's fine, but is it representative of what the typical player
>expects from his/her software?
>
>Bob Pawlak



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