Solve puzzles based on from a textbook by Sergey Ivashchenko. Identify critical moves with visual hints and feedback. View the piece to move after incorrect attempts. Track progress through structured lessons.
Set time controls for each player with customizable phases and clock types including Fischer, Bronstein, and delay. Use hourglass mode to transfer time between players. Choose from presets or create custom settings. Receive alerts when time is low.
Play chess with a 3D board and rotatable pieces. Challenge the computer on three difficulty levels or compete online against real players. Track moves, undo turns, and view piece statistics. Save games and review match history.
Play and against AI opponents with adjustable difficulty levels. Save progress and resume later. Compete without internet connection. Access both games in a single .
Play against AI or real opponents. Learn strategies and tactics through tutorials. Track progress with rating system. Customize board and pieces. Challenge friends or join online tournaments.