[computer-go] Former Deep Blue Research working on Go

[Magnus Persson]

Quoting Rémi Coulom <Remi.Coulom at univ-lille3.fr>:

>
> Regarding the question of null move in Go, I remember that some 
> programmers who tried it in alpha-beta programs did not manage to 
> make it work (Peter MacKenzie comes to mind, maybe others). As Don 
> wrote, the main problem of null move is the depth reduction. It hides 
> long-term threats that the evaluation function might not be able to 
> evaluate.

I used null-moves in my old program Viking which used alpha-beta with lazy
MC-Evaluation. It worked in the sense that it searched deeper, but I never
observed an increase in playing strength. This might of course mean that the
implementation was buggy or could be improved somehow.

-- 
Magnus Persson
Berlin, Germany