ChessTract

Attila Karadeniz

About this app

Welcome to ChessTract, the ultimate digital laboratory designed for serious chess players, club members, and theoretical researchers. Say goodbye to the tedious process of manually entering moves from physical chess books. With our cutting-edge OCR technology and interactive analysis tools, bridging the gap between paper and the digital board has never been easier.
Core Features:
• Book-to-Board OCR Scanner: Reading a physical chess book? Snap a photo of any notation paragraph. Our custom boundary filter and ML Kit-powered engine instantly extract the text and seamlessly convert it into legal moves on the board.
• Interactive Time Travel Tree: Deep theoretical studies can get messy. Our interactive tree view allows you to explore complex branch lines effortlessly. Click any move inside the notation tree to instantly teleport the board position to that exact timeline.
• Instant PGN & FEN Extraction: Done analyzing? Use the quick actions menu to instantly pull your deep variation tree into your clipboard as a formatted PGN or extract the current FEN string for quick sharing with club mates and engines.
• Archive Laboratory (Local Database): Save your games, theoretical opening studies, and historical tournament analyses safely on your device. Tag your matches with custom event names, dates, and player details.
• Custom Piece Placement: Clear the board or set up specific endgame puzzles in seconds. The highly intuitive setup palette lets you recreate any position flawlessly.
• Customizable Aesthetic & Zen Experience: Choose between classic and modern board themes, toggle dual-column or tree-view notation, and enjoy a distraction-free environment complete with optional subtle background focus music.
Whether you are preparing an opening repertoire, studying complex endgame puzzles, or digitizing your local tournament games, ChessTract is the only companion you need.
Extract the knowledge. Analyze the truth. Master the game.

Coming Soon (Roadmap):
Note on Figurine Algebraic Notation (FAN): Currently, our OCR scanner is highly optimized for Standard Algebraic Notation (SAN - text based). Full AI-powered support for reading Figurine Algebraic Notation (books using piece icons instead of letters) is in active development and will be arriving in our major v2.0 update!

What’s new

What's new in v1.0.4:
- New Feature: Added manual PGN import via the quick actions menu.
- Engine Upgrade: Major improvements to the PGN parsing engine (flawless processing of castling, checks, and checkmates).
- Enhanced OCR text cleaning for smoother game and puzzle scanning.
- UI Polish: Added a stylish new Botvinnik quote design to the empty move history screen.