ChessFan: Notation & PDF

ChessFan is a chess PDF reader designed for players, coaches, and students.

Import your chess books in PDF, detect chessboards on each page, recognize pieces with on-device ML, generate FEN, and jump directly into interactive puzzle practice.

Key features:
- Scan and digitize handwritten score sheets with AI
- Review, edit, and replay games from score sheets on an interactive board
- PDF chess book reading with smooth page navigation
- Automatic board detection on PDF pages
- Piece recognition and FEN generation
- Edit and verify FEN before practice
- Interactive puzzle practice board
- Save and review practice history
- Coach-student workflow for training feedback
- Offline-first design: core recognition runs on your device
- Multi-language UI support

Privacy-focused by design:
- Your PDF files stay on your device
- Board recognition ML runs locally on-device
- Score sheet images are temporarily sent to our AI service for recognition and not permanently stored
- Recognized move data may be saved to cloud for Pro/Coach subscribers

Subscription:
- Free tier available
- Paid plans unlock advanced cloud and coaching features

Need help? Contact: service@aifetel.cc

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Privacy Policy: https://oysape.web.app/privacy.html