Free Chess Analysis

Chessvision.ai Chess Position Scanner

Analyze chess positions from any website, book, and video in Chrome Automatically analyze chess positions on any website and video you want. Do you like watching chess videos from Ben Finegold, Agadmator, PowerPlayChess, and others? Now you can analyze their moves and understand the reasoning behind them, all while watching the video! Click on the extension button to open it. Select the options you want and click Scan! The position will open in the Lichess analysis board where you can enable the engine, see the evaluation, and even play. You can also open an external analysis on either Chess.com or lichess.org. Open the extension on the Chess.com Analysis page or Lichess Analysis or Study pages and watch videos explaining the position on the board. Enable chess notation hiding behind spoiler tags, ensuring you're never spoiled while solving puzzles. Help us make Chessvision.ai the most accurate chess board image detector. If you have any suggestions or spotted any issues, email me at pawel@chessvision.ai version 3.6.1 - fixes issue where the Analysis Board was not displayed on some websites after a turn change version 3.6.0 - adds ability to select from multiple analysis boards, providing greater flexibility - adds fallback mechanism that defaults to the most promising analysis board if the selected one is unavailable, providing better usability version 3.3.0 - adds Options page, including settings for Video Search version 3.2.0 - adds Video Search to Lichess Analysis and Study pages version 3.0.0 The update introduces new major features, including: - searching for YouTube chess videos matching the scanned positions - adds Video Search to Chess.com analysis pages version 2.1.0 This update introduces quality of life updates, including: - new rotate board button - now you can rotate the board using the new button in the toolbar - improved initial board rotation detection - now the position will always load in the same rotation as the scanned diagram - updated Help and About sections version 2.0.0 The update introduces many new features and improvements, including: - "Select area" mode to scan manually selected area - finding games matching the scanned position - smart turn detection using the last move squares - modern design - improved scanning speed - quick FEN copying - diagram editor - resizable window

Free Chess.com Analysis at Lichess

Analyze your chess.com games on lichess for free. Analyze your Chess.com games instantly on Lichess — for free! This extension lets you send your completed Chess.com games directly to Lichess.org's powerful analysis board with a single click. Get full engine evaluation, alternate lines, and the clean Lichess interface — without copying PGNs manually. 🔍 Features: 📥 One-click import of your games from Chess.com 🧩 Automatic PGN extraction and submission to Lichess 🔁 Automatically flips the board if you're playing black 🎯 Lightweight, fast, and privacy-respecting 💡 How it works: After finishing a game on Chess.com, click the extension icon. It will automatically extract the PGN and open Lichess.org/paste. Your game gets imported and analyzed instantly. Perfect for casual players and serious improvers who want deeper insights without a premium subscription. This extension is not affiliated with Chess.com or Lichess.org.

Chess Compass - Free Online Chess Analysis

Analyze games using Chess Compass from popular chess websites such as chess.com and lichess. Allows for easy importing of games on Lichess and Chess.com into Chess Compass.

Chess.com Keyboard

This browser extension allows you to make moves on Chess.com using your keyboard Make moves with keyboard on Chess.com website! This way of moving pieces may enhance your board vision skills; it can also be used to improve chess.com interface accessibility. Two formats are supported now: algebraic (Nf3, 0-0) and UCI (e2e4 or e7e8q) ☕ If you like the extension you can buy a coffee for the author here: https://buymeacoff.ee/everyonesdesign 6.6.0 - Reworked movement parsing engine - using custom logic instead of RegExps now. Just as fast and more flexible for future improvements! 6.5.0 - New daily chess commands: "confirm" and "cancel" - Only relevant commands for the view are shown now - Internal optimisations - Dependencies are updated 6.4.0 - Update component chessboard selectors (adapts the extension to new Chess.com's changes) - Update dependencies 6.3.1 - Clean up input after moves with component board - Dependencies updates 6.2.0 - Improve conflicts resolution between pawns and bishops 6.1.1 - Fix area highlighting for component chessboard 6.0.0 - Allow lower-case algebraic moves (thanks @sehe for the contributions) - Migrate the extension to manifest v3 - Rewrite moves parsing core (parsers can return more than 1 move). This change allows to handle moves more intelligently in difficult cases 5.5.2 - Fix puzzle solution check when promotion is the last move 5.5.0 - Persist "blindfold" mode state between page reloads - Prevent submitting promotion moves without promotion piece type (fixes some issues with promotion) - Clean up unused pieces of code - Update dependencies 5.4.0 - Fix the extension for newer version of chess.com (canvas board) - Fix the functionality when the board is flipped - Automatically submit move in daily chess - Fix issues with highlights not cleaning up sometimes - Fix move clearing on Esc press 5.3.1 - Fix the functionality for some users (due to new canvas element usage on chess.com) - Allow players to make a move in analysis mode 5.3.0 - UCI support - Fix arrows and squares drawing on Play (BETA) page 5.2.0 - Fix an issue with initialization when Chess.com locale isn't supported - Dependencies updated - Minor refactoring 5.1.0 - Trying to fix "live" chess for some users 5.0.0 - Migrate to TypeScript - Add technical possibility to localize interface - Add Russian translation - Support yet another type of beta Chess.com chessboard ('chess-board' component) - Fixed some rendering issues (fix positioning of ambiguous moves highlighting) on Live board - Update some package dependencies to make sure the app doesn't have vulnerabilities 4.0.0 (and you thought Christmas was over 🎅) - Fix promotion on Vue.js chessboards (e.g. live chess or analysis board) - Allow making move for your opponent when you're analyzing games - Remove GA (to comply with Firefox add-on store) 3.1.0 - Fix Ctrl-peeking for Blindfold mode - Optimize beta chessboard arrows re-rendering 3.0.0 - Support for beta chessboard 2.0.0 (big release 🎉) - Blindfold mode for fun and for learning! - Commands support (draw and resign) - Init on lessons pages - Fix init for live app in some cases 1.5.1 - Fix width issue on layout with sidebar 1.5.0 - Prevent castling for your opponents 😜 - Fix promotion syntax in live chess 1.4.0 - Squares highlighting set by right mouse clicks are preserved - Fix bug with extension preventing pieces dragging - Ignore "C" shortcut if any modifier key is pressed (e.g. for copying) - Optimize arrows and squares painting method - A11y: create label for the input - A11y: add aria-hidden attribute to chessboard element 1.3.0 - Support algebraic notation for promotions (e.g. d8=N) - Enable extension on analysis boards 1.2.0 - Fixed a bug "it is possible to make moves for the opponent" (Yes, you could do it! Now it's over, rules are rules 🤓) - Clear input on valid move submit only - Clear ambiguous moves even if the move was made by mouse - Update app styles to make the field more stylish and readable - Fix a bug with notification falling behind the menu - Redraw arrows not only on field change, but also after opponent makes his move 1.1.0 - Highlight pieces on ambiguous moves - Focus on start of the extension - Create a way to focus the field from keyboard - Enable extension on Tactics chessboard 0.0.3 - Updating manifest to fix the icon - Fix plugin appearance on live app page - Clear input on Escape key