Routing is the strategy.
A move in cell five sends the opponent to board five. If that board is closed, they may play in any open board.
Playable system · META/81
Think locally.
Win globally.
Every move chooses the local board your opponent must enter next. Win three local boards in a row to claim the global board.
Your move — any open board.
Available boardCell chosen → next board
Search stays on-device.
The opponent uses Monte Carlo tree search in your browser. No account, tracking, or server game state is required.
Local wins become global marks.
Complete a line inside a local board to claim it. Three claimed boards in a row win the match.