CheckItApp

CheckItApp provides deep Stockfish 16 analysis of your Chess.com and Lichess games directly in your browser. Key features include: • Stockfish 16 NNUE engine analysis • Personalized chess coaching explanations • Game import from Chess.com and Lichess • Best line and alternative move suggestions • Privacy-first, local browser analysis This free browser-based analyzer offers instant insight into every move. It evaluates your gameplay with the powerful Stockfish 16 engine, running entirely client-side for immediate results without accounts or waiting. The built-in coach provides plain-English explanations of critical moments, highlighting mistakes and turning points to help you understand your games better. Easily import your games by pasting a Chess.com or Lichess URL or PGN, and begin analysis within seconds. The tool shows the engine's top continuations, allowing you to compare them with your own moves and grasp why certain lines are superior. Analysis runs locally in your browser, ensuring your games and personal data remain private and are never stored on external servers. CheckItApp is perfect for chess players of all levels looking to improve their game by learning from past matches. It's an invaluable resource for understanding positional nuances, tactical errors, and strategic decisions. Master every move and elevate your chess skills with detailed, personalized feedback.