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How hard is your game?

Game State-space complexity Decision complexity Computer ranking Solved?
Tic-tac-toe 765 (discounting symmetries) Low Unbeatable Trivially
Checkers 5 * 10^20 Moderate Unbeatable 2007
Chess 10^46 High World Champion level 2065??
Go 10^100 (approx.) High Amateur level 2100??
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