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Subject: Re: How should we use computers to train?

Author: Christopher R. Dorr

Date: 13:49:08 12/20/98

Go up one level in this thread


First off, I eliminated the multiple include levels in order to make this
clearer. There are several points I wish to make.

1. KK, your catagorizing me as 'emotional' does nothing to advance this
discussion. Futhers, as Reynolds Takata rightly pointed out, you seem to be the
one deeply invested in making sure that everyone agrees with your assessment of
CM6K as a 'Toy' program; you started the thread, you chose the inflammatory
words.

2. So far, you (someone who may not currently be an expert-level player, but who
has 'maxed out' at 2023) has said that he knows better than at least 5 titled
Masters what a chess program should do and what it shouldn't. And that he knows
how to train better then me (USCF Life Master), Reynolds Takata (USCF Life
Master; FIDE Master), and Gregory kaidanov (USCF 2650+, FIDE 2600+, Grand
Master). This is pretty absurd to anyone who looks at it.

3. You answered none of my requests for your qualifications other that posting a
perhaps out-of date rating. If you are going to make these kind of statements,
you probably should have some credentials for doing so. All I am asking is that
you post them, so that everyone has some background upon which to judge your
'expertise'. I'm not at all saying that we shouldn't pay attention to you
because you're not a master, but that someone reading this thread might want to
decide for himself whether to listen to Me, and Reynolds, and several other
Masters, or you. In order to do this, he needs more information. Why won't you
provide this?


4. A PV and an 5 move analysis on screen (what you are proposing as 'the best'
computer based training program) simply fails on a number of points

a. the computer has no way of expressing a plan in a PV.

b. The computer has no way of saying why a given line is better than
another...the student is simply left with 'Bb5 is +1.25, and h3 is +1.35. This
information is often entirely meaningless.

c. The differences between evaluations of less than a pawn or so are often
entirely meaningless for most players. Any program is going to use an evaluation
function with features not understandable to non-programmers. Why is Bb5 +1.23,
and Why is h3 +1.35? The PV's are only going 5 moves deep. If the evaluation is
this close, it's probably not a material disparity; it's an artifact of the
evaluation function. This artifact give *no* information to the student
whatsoever.

d. The student learns nothing about *how* to judge a position. It's great that
Fritz thinks the position is +.34 for white...how does the student make a
similar decision, and how does he use this?

e. The student is encouraged to judge a given position as a single and
disconnected position. Each time the comp sees a new position, it starts it's
evaaluation anew (forgetting about hash tables for the moment. This may be how a
computer plays, but it is *EXACTLY* how a human *SHOULDN'T* play; the student is
learning bad habits, and is disconnecting the position from the flow of the
game.

Your ideas about why CM6K is a 'toy' program are related only to this and the
opening book editor. correct? Well I think it's pretty clear that a *large
number* of strong, serious chess players disagree with you on this account.

Wh can't you simply submit to 'well, we have a difference of opinion' and let it
go? You keep saying things like "Kaidanov obviously doesn't use a chess program
for training" which, BTW he does, and "You guys are simply wrong..it is 'the
single most important feature of a chess program". You seem to have to prove
yourself right, and Me and Reynolds Takata, and the other Masters who have
commented on this wrong. First off, it won't happen...qualifications *do* make a
difference, and second, I'm, confused as to why this is so important to you.

Chris Dorr
USCF Life Master



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