Your move. You are X, pick a square.
O | X | X ---+---+--- 4 | O | O ---+---+--- 7 | 8 | X
Moves: X9 O5 X2 O1 X3 O6
New game | Computer goes first | Undo
Play the recursive version ↻
No JavaScript. Every square is a link. Works in curl, lynx, or a browser.