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Subject: Re: Chess knowledge (eg: SOS)

Author: Colin Frayn

Date: 09:16:28 03/31/00

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>You might be surprised at the knowledge even in tiny chess engines.  Look at >the very clever eval code in Phalanx, for instance.

Substitute 'incomprehensible' :)
I'm sure it's very clever, but it would take hours of work to find out what he's
doing.

I tried to put quite a bit of chess knowledge into ColChess, but it's not
exactly the greatest analysis function ever written.  Hopefully it's
comprehensible though as I used 8*8 arrays to store the pieces rather than
bitboards or any of that nonsense :))
(I hope Bob Hyatt isn't reading this)

I think that improving the static eval function would improve the performance of
my program a lot more than slghtly tweaking its tactical speed.  I could
convincingly argue with anyone who says otherwise.  Having said that... it's
important to not lag _too_ far behind in sheer search depth simply because
you'll get outplayed with tactics every time.

>At any rate, I think Christophe Theron said it best -- the only real difference
>between commercial chess programs and amateur chess programs is effort.

...and the added incentive that the speed of your program determines the size of
your paycheck...

Cheers,
Col



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