ChessTrace is a low-cost smart chessboard designed to bring intelligent digital featuresโsuch as automatic move detection and cloud-based recordingโto traditional physical chess. Built using ESP32 and reed switch technology, this solution enables players to record and analyze games with ease and affordability.
- ๐งฒ Magnetic Piece Detection: 98%+ accuracy
- ๐ Real-time Cloud Sync: Via Firebase
- ๐ Automatic Notation: Algebraic & PGN generation
- ๐ป Web Dashboard: For live game viewing & analysis
- ๐ Rechargeable Battery: 8+ hours of portable use
- ๐ฑ Cross-Platform Access: PC, Mobile, Tablet
Final Smart Chessboard Final Smart Chessboard
Final Smart Chessboard Final Smart Chessboard
System Architecture Diagram System Architecture Diagram
| Layer | Technologies |
|---|---|
| Hardware | ESP32, Reed Switches, Magnets, MUX |
| Firmware | C++ (Arduino) |
| Cloud | Firebase Realtime Database |
| Frontend | HTML, CSS, JavaScript, Stockfish.js |
[Chessboard (64 reed switches)]
โ
[ESP32 Microcontroller]
โ
[Firebase Realtime Database]
โ
[Web UI with Stockfish.js for Analysis]
- Solder 64 reed switches to a multiplexer matrix.
- Insert magnets into the base of chess pieces.
- Connect multiplexers to ESP32.
- Enclose board and connect 18650 battery.
- Install Arduino IDE.
- Add ESP32 board manager.
- Upload firmware with Wi-Fi and Firebase credentials.
- Enable Realtime Database and Authentication.
- Set up data structure (
/users,/games,/moves). - Configure rules and paste API key in firmware.
- Open
index.htmlin your browser. - Authenticate and link your board.
- View and replay games in real time.
| Component | Qty | Price (โน) |
|---|---|---|
| ESP32 WROOM | 1 | 450 |
| Reed Switches | 64 | 640 |
| CD74HC4067 MUX | 4 | 200 |
| Neodymium Magnets | 32 | 320 |
| Battery + Charger | 1 | 200 |
| Enclosure (MDF) | 1 | 200 |
| Total | 1,850 |
| Metric | Result |
|---|---|
| Move Detection Accuracy | 98.2% |
| Cloud Sync Latency | < 500ms |
| Battery Backup | 8+ hours |
| Setup Time | < 5 minutes |
- ๐ซ Schools: For chess-integrated CBSE classrooms.
- ๐ Clubs/Academies: Easy move tracking for coaches.
- โ๏ธ Casual Players: Review games with friends or analyze with Stockfish.
- ๐ Piece Identification via RFID
- ๐ฑ Companion Mobile App
- ๐ค AI-powered Coaching Suggestions
- ๐๏ธ Tournament Mode with Arbiter View
- Anuj Jain -
0108IO221009 - Akshat Jain -
0108IO221003 - Sanidhya Sahu -
0108IO221053
Under guidance of Prof. Abhishek Mathur
Samrat Ashok Technological Institute, Vidisha (M.P.)
This repository is open-source for educational and research purposes only. For commercial use, please contact the authors.
"Bringing smart play to every playerโaffordable, accurate, and accessible." ๐ง โ๏ธ