Here the explanation and the picture describes the best strategy https://en.wikipedia.org/wiki/Quantum_pseudo-telepathy#The_Mermin%E2%80%93Peres_magic_square_ga

Here the explanation and the picture describes the best strategy https://en.wikipedia.org/wiki/Quantum_pseudo-telepathy#The_Mermin%E2%80%93Peres_magic_square_game https://en.wikipedia.org/wiki/Quantum_pseudo-telepathy#The_M...