A more detailed (and formal) analysis is on math.se, here: http://math.stackexchange.com/questions/655972/help-rules-of-a-game-whose-details-i-dont-remember/656

A more detailed (and formal) analysis is on math.se, here: http://math.stackexchange.com/questions/655972/help-rules-of-a-game-whose-details-i-dont-remember/656426#656426 http://math.stackexchange.com/questions/655972/help-rules-of... All the people saying that the strategy described doesn't work are mistaken; the paradox is discussed in the literature in Thomas M. Cover “Pick the largest number” Open Problems in Communication and Computation Springer-Verlag, 1987, p152.