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Highlights attacked and hanging pieces, attackers, defenders, and potential movement squares. This extension is designed to provide an enhanced learning experience for beginner and intermediate chess players on chess.com. Acting as "training wheels" for people new to the game, it offers visual aid that help players improve their understanding of chess fundamentals. 🔹 Highlight Hanging & Attacked Pieces Automatically identify which squares are hanging and under attack by you and your opponent. 🔹 Highlight Movements (Safe, Attacked, Hanging) See which squares are safe, attacked, or will leave your piece hanging before you make your move. Additionally, squares that result in stalemate or checkmate are highlighted. 🔹 Highlight All Attacking & Defending Pieces Select (right-click) any square on the board to highlight its attackers and defenders. Note: Do not use Piece Animations: 'Natural' and 'Arcade'. For some features to work, the 'Highlight Moves' and 'Show Legal Moves' settings need to be turned on. If you encounter any issues or have suggestions for new features, please contact me at chesshighlighter@gmail.com
Two-Line Eval Bar for Chess.com
This eval bar shows the difference between the best & second-best line on any move. Perfect for following intense, high-level games! Whenever your webpage loads, the analysis bar should reload and buffer - this indicates that the Two-Line Eval is active. You may have to re-toggle the extension on-off-on to ensure it is working. By default, the extension is turned OFF whenever you load into a page, so even if you had toggled it "ON" previously, you will have to toggle it "ON-OFF-ON" again to restart the Two-Line Evaluation. Depending on the side whose turn it is to move, the bar will load a slightly darker/lighter shaded section for each side, which represents the difference in evaluation between playing the best move and the second-best move. It may take some getting used to, but is fairly intuitive. The best use-case for this extension is for following classical chess, especially where a high-level player may have to make multiple only-moves in a row in a given position.
Chess.com Analysis at Lichess
This extension has the following features: * Allows you to view lichess analysis for any finished chess.com game. * Works from the Game Archive as well as from finished live games * Also supports chessgames.com, chess-db.com and chesstempo.com I am not affiliated in any way with lichess or chess.com (but I'm a fan of both). Recent changes: 2026 March 31: Fixed share button for non-English browser locales. (Thanks blue_int!) 2025 December 9: Various additional fixes and improvements. 2025 December 9: Improved share dialog opening for nested controls. (Thanks guidezpl!) 2025 August 27: Fixed for changes to chess.com 2025 March 20: Fixed for change to live games URL (thanks stupidJoon!) 2024 December 4: Fixed for recent chess.com changes. Now works for World Championship games and other events. 2023 May 24: Fixed for chess.com games against computers. 2022 April 17: Fixed for change to chess.com download button. 2022 March 28: Fixed some problems with the upgrade to manifest v3. Fixed chessgames.com. Fixed for change to chess.com download button. 2022 March 27: Upgraded to Chrome manifest v3 (thanks Russell!) 2022 March 5: Prevented chess.com analysis from being sent to lichess (thanks Russell!) 2021 December 20: Fixed for chess.com games via download button (thanks Pierre-Louis!). 2021 July 29: Fixed for chess.com daily games and events. 2021 February 6: Fixed when launched from the chess.com analysis pages. (thanks Johannes!) 2020 November 18: Fixes for recent chess.com changes. Now works from chess.com analysis pages. 2020 September 19: Fixes for changes to urls on chess.com and chesstempo.com. 2020 September 3: Updated for new url format on chess.com (thanks mhssmnn!). 2019 December 20: Fixed after recent changes to chess.com. 2019 October 8: Fixed after recent changes to chess.com. Now works with games against the computer. 2019 April 16: Support for games from chessgames.com, chess-db.com and chesstempo.com. Improved manifest to limit permissions as much as possible. Icon now becomes enabled only when there is a valid game to analyse. Improved colour of icon so that it is clear when it is available. 2019 April 4: Fixed after live game. Avoided 'the message port closed...' error. 2019 April 3: Fixed after recent changes to Chess.com (thanks 0ddFell0w!) . Support for 'daily' games. 2018 December 8: Fixed after recent changes to Lichess import page. 2018 October 20: Fixed problem which was preventing working after live games. 2017 January 3: Fix to link after finished game. Also works from chess.com live analysis. 2016 November 30: Print-friendly PDF is now a separate Chrome extension (Lichess Print-friendly PDF). 2016 November 25: Print-friendly PDF now uses AWS lambda. 2016 November 14: Added 'Print-friendly PDF export' which has recently been removed from lichess. 2016 July 5: Fixed for recent chess.com changes. 2016 June 29: Fixed game result in lichess PDF export 2016 June 16: Fixed css name clash. 2016 June 16: Fixes for recent chess.com changes. Now works from any live game in v3 (not just your own)! 2016 June 13: Uses https in lichess.org urls. 2016 Mar 30: Improved reliability of computer analysis toggle before uploading to lichess. 2016 Mar 27: Updated to support recent changes to chess.com. Thanks to Allan Rempel who created a similar plugin for chess.com v2. Icon CC-BY-SA 3.0, CBurnett (https://en.wikipedia.org/wiki/User:Cburnett) with adjustments by AntonSusi (https://commons.wikimedia.org/wiki/User:Antonsusi).
Chess.com Custom Themes, Boards - ChessHelper
2026 Setup new themes, pieces, fonts, and boards, remove annoying notifications, popups, and so on. Features: - Secure & Private: Your data stays safe. No tracking, no ads—just pure chess. - Custom Themes: Change the look of Chess.com with the new themes (x6), pieces(x39), and boards(x40). - Notification Control: Say goodbye to annoying popups & notifications. - Fullscreen & Fixed Mode: Enjoy chess in fullscreen mode and with a fixed board layout. No more page jumping & scrolling in HyperBullet! - Font Customization: Tailor the font to your liking. - Bandwidth Saver: Reduce bandwidth usage by disabling the stream on the main page. - Disable Chat: No more trolls! - Coordinates on each square: Learn notation faster. It works! - Double Click Resign: Simple, and less frustrating. Especially on Bullet. --- Note: Chess.com is a registered trademark of Chess.com, LLC. This extension is not affiliated with or endorsed by Chess.com, LLC. - Fixed profile icon duplication - Removed low-quality boards (x4) - Added New Themes: Frutiger Aero Dimmed, Frutiger Aero Green - Fixed inconsistencies in hiding elements on mobile viewports. - Improved translations: Polish, English. ...and other improvements ## Version 1.0.4.3 - Current Release - Fixed fonts not appearing properly on some devices - Added new themes (x6): Frutiger Aero, Glitter, Dark Purple, and others - Fixed frame drops caused by false mount DOM inj. - Updated fullscreen button ...and other improvements ## Version 1.0.4 - Stable Release - Switched Google Fonts to local - Fixed Board Settings - Popup improvements - Fixed Board Change - Fixed Highlight Colors - Fixed 3D Mode (Pieces & Boards Change) - Added x2 New Boards (Emerald, Industrial) - Updated Popup UI ...and other improvements ## Version 1.1.2 - Stable Release - Added i18n languages (x8) support - Added new pieces (x16) - Added new theme: Amoled - Fixed RTL in Arabic ...and other changes ## Version 1.1.4 - Stable Release - Fixed Promotion in Arcade Mode - Added new languages (x98) i18n support - Fixed RTL in Hewbrew, Sindhi, Persian - Updated Extension Logo & UI - Added Contribute Option ...and other changes
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
