Chess Lab

Chess Lab is an advanced offline chess engine, analyzer, and training tool built for players who value speed, privacy, and flexibility.

♟ Play vs Bot

• Battle Stockfish bots offline.

• Customize bot difficulty, depth, and style.

• Pause or resume any match anytime.

• Start a game directly from any analyzed move with auto-predicted ELO.

🔍 Smart Analysis

• Analyze any PGN or screen recording—video-to-board conversion supported.

• Bulk analyze all Chess.com games by username and month.

• Use the optional desktop server on the same Wi-Fi to boost processing speed.

• Automatic smart-pause during high temperature.

🧩 Dynamic Puzzles

• Tactical, checkmate, opening, and endgame puzzles.

• Unique “reach the final board” challenge.

• Create puzzles instantly from your own analyzed matches or Stockfish suggestions.

🌐 Global & Private

• Supports 15 languages.

• Fully offline.

• No video ads, no data collection, no login required.

Chess Lab gives you the most complete, private, and customizable chess experience—engine power and analysis precision, all offline.