Your move. You are X, pick a square.
O | X | X ---+---+--- 4 | O | O ---+---+--- X | O | X
Moves: X2 O5 X9 O1 X7 O8 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.