> Sometimes go bots overemphasize play in and for the center. > What if inside the bot territory on the 19x19-board is counted > not in the traditional way, but give different points different value. > Example: points in the central 7x7-square get value 0.9 each (or > 7/8=0.875). All other squares get the normal value (=1). > How would an MCTS bot with such a setting play? >
I'm pretty sure this has been tested in the early times of MCTS without progress in terms of ELO. No idea of the behavior in qualitative terms; just it was not stronger than the initial bot. It was something like a linear combination between standard counting, and counting emphasizing the borders/corners; with the second term decreasing to zero. (Yet, with MCTS, I never know if a conclusion is never really stable, and if we should not try again e.g. with more simulations per move...) Best regards, Olivier
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