OneChess: Play Chess Offline

Experience chess the way it was meant to be played with OneChess — an elegant, fast, and feature-rich chess game designed for beginners, casual players, and tactical masters alike.

Whether you want to challenge a powerful built-in offline engine, solve tactical puzzles, or play pass-and-play with a friend on the same screen, OneChess gives you a complete chess experience anytime, anywhere — even without an internet connection.

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🌟 KEY FEATURES
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🤖 10 SMART AI LEVELS
From first-time beginners to seasoned tournament players, choose from 10 distinct difficulty levels. Start easy to learn the ropes, or test your skills against Champion and Maximum level engine opponents powered by opening books and deep tactical search.

👥 2-PLAYER PASS & PLAY
No board with you? No problem. Flip the screen and play friendly matches with friends or family on a single device, completely offline.

🌐 PLAY ONLINE WITH ROOM CODES
Create private rooms and share your room code with friends to play real-time chess matches from anywhere.

🧩 DAILY PUZZLES & TACTICS
Sharpen your tactical vision every day. Solve hand-curated chess puzzles, hunt for checkmates, increase your puzzle rating, and maintain your daily solving streak.

📊 GAME ACCURACY & MOVE REVIEW
Track your progress after every match! Review your moves step-by-step, see your overall match accuracy percentage, and export games in standard PGN format to share or study later.

🎨 HANDCRAFTED BOARDS & PIECE SETS
Personalize your playing experience with premium visual themes:
• Boards: Classic Walnut, Royal Green, Marble Gold, Neon Night, and Slate
• Piece Styles: Tournament, Royal, Marble, and Modern Neon
• Full visual support for smooth 60Hz/90Hz/120Hz high refresh rate screens

⚙️ CUSTOMIZABLE GAMEPLAY
• Choose your time controls: Bullet, Blitz, Rapid, or Untimed classical play
• Pick your side: Play as White, Black, or choose Random
• Toggle legal move dots, board coordinates, and auto-queen promotion
• Immersive haptic feedback, sound effects, and relaxing background music

🔋 LIGHTWEIGHT & BATTERY FRIENDLY
Engineered natively with Flutter for smooth performance, instant launch times, and low battery consumption. Completely playable offline without mandatory logins or internet access.

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MASTER YOUR NEXT MOVE
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Whether you are practicing tactical endgames, learning opening fundamentals, or simply enjoying a quick casual match, OneChess is your personal chess companion.

Download OneChess today and elevate your chess journey!