On May 7, 2007, at 12:30 PM, Chris Fant wrote:

"it seems natural that I should update the playout count for A"  ???

That doesn't seem natural to me.  You've done two playouts from A so
why would you update it to 1?

On further thought, I think this is the correct answer.

Iterating through the children should not be a significant time hit, because (a) UCT trees tend to be quite shallow, rarely more than 5 moves deep, and (b) the vast majority of nodes are leaves.

Thanks,

Peter Drake
http://www.lclark.edu/~drake/



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