Computer wins. Better luck next time.
O | X | X ---+---+--- O | O | ---+---+--- O | X | X
Moves: X2 O5 X8 O1 X9 O7 X3 O4
New game | Computer goes first | Undo
Play the recursive version ↻
No JavaScript. Every square is a link. Works in curl, lynx, or a browser.