How to Win at Tic-Tac-Toe (and Never Lose)
Tic-tac-toe is always a draw with perfect play, so winning means never losing and punishing mistakes. Research-backed moves for X and O, plus a variant.
Rules and strategy for quick games you can play with a friend.
Tic-tac-toe is always a draw with perfect play, so winning means never losing and punishing mistakes. Research-backed moves for X and O, plus a variant.