On Sep 1, 2009, at 8:11 AM, David Fotland wrote:
I don’t think any of the strong programs use pseudoliberties.
Interesting! Can those involved with other strong programs verify this?
My board code is descended from my Java re-implementation of libEGO. I
tried writing one using real liberties earlier, and it was
considerably slower in random playouts. Perhaps it's worth the speed
hit as playouts get heavier.
Incidentally, preliminary experiments indicate that the capture-the-
largest-chain heuristic (after escaping and matching patterns) does
improve strength, despite the speed cost. I'll run a larger experiment
tonight...
Peter Drake
http://www.lclark.edu/~drake/
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