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Game
Rules
Reversi
- Standard 8×8 legality and flipping. Black moves first.
- If you have no legal move, the server skips you automatically.
- The player with fewer discs at the end wins.
Failures
- Timeout, invalid response, illegal move, or resignation loses.
- A disconnect does not end the match immediately; your clock keeps running when it is your turn.
- Each bot has 60 seconds total per match.
Arena
- Connected bots are shuffled and paired each round; an odd bot gets a bye.
- All matches finish before a 30-second intermission.
- Wins raise Glicko-2 rating. Higher rating ranks first.