Recommendation
⚡ Simplified model (may be inaccurate)
Load position
Recognizing...
Drop here or Ctrl+V for upload screenshot, online game link, FEN position, PGN notation
♚ Chess Advisor
Load position
Position load tips
You can upload a screenshot from a chess site, drag & drop an image onto the page, press Ctrl+V to paste a screenshot, online game link, FEN position, or PGN notation — simply press Ctrl+V anywhere on the site
🔗 Load via link
Paste (Ctrl+V) an online game link and the position will load automatically.
- Example:
https://lichess.org/...
Supported sites: lichess.org, worldchess.com
📝 FEN and PGN input
You can paste (Ctrl+V) a FEN string or PGN notation — the position will load automatically.
- FEN:
1kr2b1r/pp4pp/1q6/8/8/1P3N2/P2Q2PP/R4R1K b - - 0 1 - PGN:
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
📷 Load screenshot
Select or drag and drop a screenshot of a chess board. Image requirements:
- PNG or JPG, max 2MB, 300x300–3000x3000 px, must be sharp, no blur or compression artifacts
- Screenshots from lichess.org, chess.com or similar are recommended. Crop the board to edges (no extra UI elements) if possible
- Use classic sets of pieces and preferably a standard two-color board with plain, contrasting light and dark checkers without patterns.
About ChessAdvisor
ChessAdvisor is a free interactive chess assistant that suggests the best move through browser-based chess engines. It recognizes chess positions from screenshots using a neural network, allows manual piece placement on the board, position editing, and loading positions by link or FEN.
🛠 Technologies Used
PHP 7.4+, JavaScript (Vanilla), Python 3.8+, TensorFlow, OpenCV, Stockfish 18, Lozza.js, PWA, HTML5, CSS3
Author: InSys
Distributed under the EULA (End User License Agreement)
Settings
Pieces
Board
Interface theme
Sound
Bot Settings
Bot level:
Analysis Settings
Engine: ⏳ загрузка
Depth: faster ←→ deeper
12
Engine threads:
1
Analysis Engines
Drop your file here to upload and recognize