Replace a with a free game timer. Set and start time controls for each player. Customize favorite time settings for one-tap access. Track remaining time and manage game pauses. Switch between landscape and portrait modes.
Learn chess openings with a comprehensive book collection. Test memory of key moves. Practice lines against a bot. Complete missions by reading and practicing.
Play chess with a classic board design and realistic sound effects. Challenge AI opponents or play against another player. Use undo and hint features to assist during matches.
Against the with 10 difficulty levels. Challenge friends in offline two-player mode. Solve over 1,000 puzzles to improve tactics. Create custom puzzles and share them with others.
The app offers 645 interactive chess puzzles, ranging from mate in two moves to mate in seventeen moves. Players aim to achieve checkmate within a specified number of moves, with puzzle solutions stored and timing clocks displayed.
Perform calculations using reverse Polish notation. Swipe to undo or redo operations. Access a 100-entry stack and 6 memory buttons. View large, easy-to-read displays. Save state on exit. Supports scientific functions and multiple undo/redo levels.
The app offers a collection of board games including chess, Chinese chess, Go, Othello, tic-tac-toe, animal, and Gomoku. It features an operational interface with undo, save, and load functions, along with a rulebook for new players.
Access live 1-6 small-group classes with certified teachers. Choose from subjects like English storytelling and math. Participate in interactive activities and immersive English lessons.