Until it isn't. Once humans are handily beaten in both games, it's kinda hard to tell which game is harder (I guess you could compare the amount of computations

Until it isn't. Once humans are handily beaten in both games, it's kinda hard to tell which game is harder (I guess you could compare the amount of computations needed to beat the top human player, but that does not let you distinguish if it's harder for computers or conversely easier for humans.)