Your move. You are X, pick a square.
X | 2 | O ---+---+--- O | O | X ---+---+--- X | X | O
Moves: X1 O5 X8 O3 X7 O4 X6 O9
New game | Computer goes first | Undo
Play the recursive version ↻
No JavaScript. Every square is a link. Works in curl, lynx, or a browser.