Brian Slesinsky wrote:
And this would mean that a position where black is in trouble
would look stronger than in a random playout (due to black
playing well only for this kind of situation) which would make
it harder to tell which positions are actually good.
Or in general, an improvement in play that only works for some
positions will tend to make those positions look good, and make it
hard to tell which positions actually are good.
That's what I mean. The defense favors one player (the one in
danger) more than the other and these positions get a wrong
evaluation. That is dangerous and, in general, will weaken the
program. Maybe in a particular situation it is a good idea.
Sometimes breaking the rules is a good idea. ;-)
I like this example because it sounds very reasonable and it is not
obvious that it is breaking the rules (the unbiasedness rule), but
it is.
Jacques.
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