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Subject: Re: Question about checkers for chess programmers

Author: Scott Gasch

Date: 11:31:21 10/25/99

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On October 25, 1999 at 12:39:01, Jeff Kenton wrote:

[...]
>Given that checkers has fewer choices at any move but tends to require deeper
>look ahead, which of the programming look ahead strategies do you consider to be most suitable?

I think that a standard alpha-beta search would do very well on checkers -- it
would be like an endgame position in chess... a fast search can routinely get
over 15 ply deep with such a low branching factor.  In some endgame positions in
chess (i.e. fine70) it's easy to get over 30 ply deep... I guess an "endgame" in
checkers would be even better.

On a related note: didn't someone prove that checkers was a closed game?
Whoever moves first wins if they play perfectly?  If this is indeed the case,
you might do no search at all and instead but a big hard drive and put the
tablebase on it.  Then you can play the "best" move from all positions...?
However I am not sure if this is true or just me being confused.

Scott



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