Big Chess: Strategy Board Game

9 chess variants. One app. Play online, challenge friends, or solve puzzles — Big Chess redefines the game on a 10×10 board.

Big Chess — the ultimate chess experience on a 10×10 board.

Forget what you knew about chess. Big Chess expands the classic game to a 10×10 board, introducing new pieces and deeper strategic possibilities that breathe fresh life into every match. Whether you're a beginner or a seasoned player, the larger board opens up entirely new layers of tactics, endgames, and creativity — making every game feel like uncharted territory.

— ONLINE MULTIPLAYER — Challenge players from around the world in real-time matches. The ELO-based matchmaking system pairs you with opponents of similar skill, so every game is a true contest. Track your rating, climb the global leaderboard, and prove yourself as a Big Chess master.

— PLAY WITH FRIENDS — Send a direct challenge to any friend in your list and play whenever you're both ready. No waiting in matchmaking — just pick your time control and start the game.

— WATCH LIVE GAMES — Spectate ongoing matches between other players in real time. Browse public games, join as a viewer, and study the strategies of top players as they unfold.

— PLAY OFFLINE: BEAT THE BOT — Not connected? No problem. Train against the AI at 7 difficulty levels — from a relaxed beginner experience to a formidable opponent that will test even experienced players. Sharpen your skills at your own pace, anytime.

— LOCAL MULTIPLAYER — Play face-to-face with a friend on a single device. Perfect for a quick game anywhere, no internet required.

— CHESS PUZZLES — Put your tactical skills to the test with hundreds of chess puzzles. Solve positions, earn a puzzle rating, and track your progress. New puzzles keep the challenge fresh and help you improve faster than regular play alone.

— 9 CHESS VARIANTS — Big Chess is just the beginning. Explore a full library of chess variants, each with unique rules that completely change how the game is played:

• Duck Chess — a rubber duck blocks the board and must be moved every turn • Fog of War — you can only see squares your pieces can attack • Crazyhouse — captured pieces become your own and can be dropped back on the board • Atomic Chess — captures cause explosions that destroy surrounding pieces • Makruk — traditional Southeast Asian chess with its own distinct pieces and rules • Capablanca Chess — played on a 10×8 board with two powerful new pieces • Grand Chess — a 10×10 variant with a rich strategic depth • Chess 960 — starting positions are randomized, eliminating all opening theory

— DEEP CUSTOMIZATION — Make the game truly yours: • Time controls: Bullet (1 min), Blitz (3 min), Rapid (5 min), Classical (15+10), or Unlimited • Board themes: choose from multiple beautiful board color schemes • Move highlights: see legal moves at a glance • Move hints: get suggestions when you're not sure what to play • Undo moves: take back a move during offline games • Coordinates: show or hide board coordinates • Animation speed: Slow, Normal, Fast, or Instant • Auto-queen: automatically promote pawns to a Queen • Haptic feedback: feel every move • Sound: adjust volume or mute entirely • Export games: save your games in PGN format for analysis

— YOUR PROFILE — Build your chess identity. Upload an avatar, track your game statistics, win/loss/draw ratios, and puzzle rating — all in one place.

— ARCHIVE — Every game is saved automatically. Review past games, filter by variant or game mode, and replay any match from your history.

Download Big Chess and discover a chess experience like no other.

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