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ChessVA computer program . Program for playing numerous Chess variants against your PC.[All Comments] [Add Comment or Rating]
📝Greg Strong wrote on Wed, Jul 20, 2005 02:02 AM UTC:
The setting of I-Depth 9 is just the maximum depth.  The way it works is
that it searches all moves to a depth of 1, and then, if there's time, to
a depth of 2, and, if time, to a depth of 3, etc...  So it never hurts to
have the Max I-Depth set high.  The only reason that setting is there is
so that, if you want to do a fixed-depth search, you can set the I-Depth
to the depth you want, and set the time limit to something really high. 
And, strangely enough, searching to a depth of 1, then 2, 3, ..., n is
actually faster than going straight to depth n.  This technique is called
'Iterative Deepening', and is used by all chess programs.

Giving pincer pawns a bonus for being a knights-move away from others
might be a good idea.  I might give it a try sometime and see how it
works.