OpenFile Chess is a puzzle trainer and interactive chess reader in one app. Train with thousands of puzzles powered by spaced repetition. Your rating adapts as you improve, and puzzles are organized by theme — forks, pins, mates, endgames, and more. Explore alternate lines freely, or turn on Stockfish 17 for instant analysis.
Read Chess Fundamentals by José Raúl Capablanca — one of the greatest chess books ever written. Step through every example move by move with full annotations.
FEATURES
• Puzzle trainer with spaced repetition and ELO tracking
• Dozens of themed decks: tactics, mates, endgames, phases
• Explore mode to try alternate lines on any puzzle
• Stockfish 17 engine analysis on any position
• Full text of Chess Fundamentals (1921)
• 71 interactive games with move-by-move annotations
• Flip board, night mode, and board color themes
What's new (v1.3)
- Improvements to the interface and layout
- Added buttons to move forward and backward through moves in puzzles