Chess Mars — Play Chess Online Free

Play free online chess with puzzles, Stockfish analysis, tournaments & more.

Why Chess Mars?

Everything you need to improve your chess game in one modern platform.

Chess Pinned: A social media platform exclusively for chess community, Web and Android App Available.
OTB Manager: Organize and manage Over-The-Board tournaments seamlessly.
Play Simuls: Host or join simultaneous exhibitions with chess masters.
Chess Forms: Create customizable chess forms and interactive applications.

Quick Play: Play Bullet (1 min), Blitz (3 min), Rapid (10 min), and Classical (15 min) games instantly.
Tournaments: Join daily arenas and Swiss tournaments for glory.
Daily Chess: Play correspondence chess at your own relaxed pace.

Free Analyze: Analyze games with the latest Stockfish engine.
Unlimited Puzzles: Solve over 50,000 rated tactical chess puzzles.
Vision Trainer: Improve your board vision and piece recognition.
Opening Builder: Build, study, and memorize your opening repertoire.
Blogs: Read and write articles about chess strategy.
Forums: Discuss strategies and news with the community.
Watch Live Top Tournaments: Spectate top games and live tournament broadcasts.
Clubs: Create or join clubs and participate in team battles.
24/7 Support: Get help anytime with our dedicated 24/7 support team.