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Get better at tic tac toe.

Most tic tac toe advice online is copied from somewhere else. Every number and opening line in these guides was worked out by computer — we ran every possible game through the same engine that powers our bot.

How to win at tic tac toe (and never lose) The three-step rule for every turn, the best first move, and the traps that win most games. Is tic tac toe solved? All 255,168 games, counted Who wins with perfect play, how often X wins at random, and what's known about 4×4, 5×5 and 6×6. Infinite tic tac toe: rules, strategy and the winning move The version where your oldest mark disappears. We solved it — and the winning opening will surprise you.

Theory is good. Practice is better.

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