♚ Chess Advisor

📋 Game

Turn order:

Edit mode:

Chess board:

💡 Recommendation

⚡ Simplified model (may be inaccurate)

Engine: ⏳ загрузка

Depth: faster ←→ deeper

📷 Load position

FEN

Recognizing...

Drop here or Ctrl+V for upload screenshot, online game link, FEN position, PGN notation

📷 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. It recognizes chess positions from screenshots using a neural network, allows manual piece placement on the board, position editing, and provides best move analysis through browser-based chess engines.

🛠 Technologies Used

PHP 7.4+, JavaScript (Vanilla), Python 3.8+, TensorFlow, OpenCV, Stockfish 18, Lozza.js, PWA, HTML5, CSS3

Author: ChessAdvisor Team

Distributed under the EULA (End User License Agreement)

Design

Pieces

Board

Interface theme

🧠 Analysis Engines

Drop your file here to upload and recognize