Your move. You are O, pick a square.
X | 2 | X ---+---+--- 4 | X | O ---+---+--- 7 | 8 | O
Moves: X5 O6 X1 O9 X3
New game | Computer goes first | Undo
Play the recursive version ↻
No JavaScript. Every square is a link. Works in curl, lynx, or a browser.