Your move. You are X, pick a square.
O | X | O ---+---+--- O | X | 6 ---+---+--- X | O | X
Moves: X5 O1 X9 O3 X2 O8 X7 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.