I don't think such positions are enough to evaluate "total" 
performance of a program. Because they don't include middle games 
nor opening games, for examples.

-Hideki

terry mcintyre: <[EMAIL PROTECTED]>:
>
>
>Hideki Kato wrote:
>
>> What is "correct" move?  It has sense only for some artificial 
>> problems or very limited positions, and so, it cannot evaluate total 
>> performance of a program.
>
>
>There are many positions where winning the game requires one or a small set of 
>moves.
>Suppose the board is equally divided, and all groups are settled but one. The 
>last group
>will live or die, depending on whether the program makes the single correct 
>move or not.
>
>Many life-and-death program can be converted to this form. 
>
>An alternative approach would be to take a traditional life-and-death problem, 
>and assign
>a komi such that the problem must be solved to win the game. 
>
>A third approach might be to devise a UCT framework which can be given 
>specific goals,
>such as "kill this group" or "live", or "select a move from this subset", 
>which otherwise uses
>the same algorithms for whole-board play. 
>
>Given a large set of life-and-death problems which have been converted into 
>whole-board 
>problems,
>I believe that any UCT program which handles the life-and-death problems 
>correctly would 
>probably
>do quite well in whole-board play also. The knowledge should generalize well.
>
>
>
>
>
>      
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[EMAIL PROTECTED] (Kato)
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