Four boards, two moves
Four 4 × 4 boards · Clear one board to win · Black plays first
Connecting your table to a shared, quiet space.
Clocks count thinking time without a time limit. Play pauses when either player disconnects. Keep Black’s tab open: it coordinates the room. Reloading the same tab normally restores your seat. White sees the table from White’s side.
This file has no external code, fonts, or audio assets. Online play uses a free public MQTT relay, whose availability is outside this app’s control. Messages are signed, but not encrypted. Serve this file over HTTPS or localhost to share it with other devices.
Your opponent will win by resignation. The final table will remain available to review.
Copy the complete address below and send it to your opponent.
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