Play chess against another player or the computer with adjustable ELO ratings. Save, share, delete, and rename games in the Chess Gallery. Import and export PGN files. Analyze game statistics. Access interactive chess openings and skill guides.
by 恒宇 周★ 4.034 ratingsSportsFreeData updated 2026-09-10
Learn through step-by-step lessons from a world-champion AI tutor. Practice with six sparring partners of varying difficulty. Play games without hints against AI opponents rated nearly world-champion level.
Learn strategies through over 500 games and lectures covering openings like Petroff defense, Ruy Lopez, and Sicilian defense. Solve more than 400 exercises with feedback on incorrect moves and hints to guide correct solutions.
Play against another player on a digital chessboard. Move pieces according to their unique movement rules. Save game progress. Challenge opponents online or locally. View move history and replay games.
Control a third-person character to reach and drive a vehicle. Navigate realistic roads with physics-based handling. Customize car settings and upgrade vehicles. Compete in racing modes and complete challenges.
Learn strategies for the Defense variations including Dragon, Najdorf, Scheveningen, and Richter Attack. Study 200 examples and 630 exercises. Analyze theory and playing hooks in critical positions. Track progress with interactive exercises.
By reading an interactive e-book with 118 pages of content and 91 diagrams. Users can explore legal moves through interactive diagrams. The helps beginners understand rules and terminology, and aids advanced players in improving strategies.
Learn strategies with targeted exercises on "Mate diagonally" and sections like "Traps in the opening" and "Endgame". Study debuts and improve techniques without internet, ads, or in- purchases.