MCTS
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Final selection is potentially incorrect with score bounds enabled.
When a search proceeds to the point that branches of the tree are pruned at the root, the pruned nodes will no longer be visited, but the final selection considers only the number of games played in a node as the measure of the node's quality. A high quality node that is pruned early in the simulation risks not being picked by the selection process.
I will examine established solutions to this problem and implement them.
Score bounds is completely bonkers at the moment. Do not use. Will fix.