<p>Mobile Maia is an offline-first chess app built around Maia-3, a human-like chess model developed by the University of Toronto Computational Social Science Lab.</p> <p>Play against Maia at a selected rating without creating an account or connecting to a server. The Maia-3 model and Stockfish are bundled with the app, so games and analysis remain on your device.</p> <p>Features include:</p> <ul> <li>Play as White, Black, or a random side</li> <li>Maia ratings from 800 to 2200, plus a custom rating</li> <li>Unlimited play, clock presets, and custom time controls</li> <li>Human-like move timing and adjustable Temperature and Top-P</li> <li>Single or multiple premoves, with an optional 100 ms penalty</li> <li>Takebacks, endgame draw offers, rematches, and automatic game restoration</li> <li>Experimental Chessnut Go play with LEDs, sounds, battery status, reconnect recovery, and phone continuation</li> <li>An analysis board with FEN and PGN import and export</li> <li>A graphical position editor and persistent analysis variations</li> <li>Offline Stockfish evaluation and Maia move comparison</li> <li>Fast, Balanced, or Thorough full-game analysis</li> <li>Full-game accuracy scores and a navigable evaluation graph</li> <li>Brilliant, Good, Interesting, Dubious, Mistake, and Blunder move classifications</li> <li>Two Stockfish suggestions and visible Maia/Stockfish agreement</li> <li>Lichess-style material difference beside each player</li> <li>Offline opening names and ECO codes from the Lichess opening database</li> <li>Historical clocks and timed PGN export with standard clock annotations</li> <li>PGN export with variations and game metadata</li> </ul> <p>Mobile Maia is independently developed free software. Its source code is available under the GNU Affero General Public License v3.0 only.</p>