The only way to win tic-tac-toe consistently is with a double gambit (which the starting player gets an advantage on). E.G. something like: X_X _O_ X_O

The only way to win tic-tac-toe consistently is with a double gambit (which the starting player gets an advantage on). E.G. something like: X_X _O_ X_O Problem is, as soon as the other player knows this, every game will end in a draw as they will play to block versus win.