Hex

Hex About Hex Hex is a two-player strategy game invented by mathematician and poet Piet Hein in 1942 and independently by John Nash in 1948. Nash proved in 1949 that Hex can't end in a draw - a non-trivial result colloquially called the "Hex theorem", which we now know is equivalent to the Brouwer fixed-point theorem. Nash also proved that the first player in Hex on a board of any size can force a…