extension ExtPose

GBChess Extension

Description from extension meta

Chess Next Move Extension for Chess.com and Lichess.org

Image from store GBChess Extension
Description from store Get a Hint in the Middle of the Game With GrandBastard Chess Analysis Browser Extension. This extension shows you the next best move in your live chess game. Compatible With Chess.com and Lichess.org. V 1.28 Updated to match Lichess.org changes. To avoid interference use with the adblocker SmartAdBlock After installation in chrome please refresh your chess game page to allow the extension to be effective. Privacy Policy: We NEVER store any user data. The extension is invisible to visited websites. We do not promote cheating on chess websites.

Latest reviews

  • (2020-03-30) Lv. Unknown: it does not work for lichess ive read these reviews saying it did but it does not
  • (2020-03-10) Jƶrmungandr: it doesnt detect chess game
  • (2020-03-10) Armen Stepanyan: Didn't load game correctly
  • (2019-12-17) BAS BAS: Good but so slow, hope you improve the speed of calculating.
  • (2019-11-30) Thesnugglebottom: Stopped working
  • (2019-11-08) Niklas Jonsson: Just refuses to load the game. adblock etc. uninstalled.
  • (2019-08-11) Andy: it works great!, is it really undetectable??
  • (2019-08-07) Adam: Has not been updated in months been outdated and does not even work. and not even on lichess.
  • (2019-06-04) PLASMA GAMER: Takes time but it works, haven't lost once in 10 games.
  • (2019-05-20) Stephens: Used to work and is now patched.
  • (2019-05-12) aa bb: No longer detects games on lichess for me as of May 12th.
  • (2019-04-16) gaming thien an: hay
  • (2019-04-12) Luca Rossi: Not really working on chess.com, since he keeps analyzing the same older move, even if you makes new one, while on lichess everything works as it should
  • (2019-03-08) isint good for black pieces
  • (2019-03-05) Jon J: Very slow at calculating moves, also it does not stay in the foreground. I have to click on it each time to bring it up.
  • (2019-02-16) Cowmations: Didnt load game correctly, only caring about pawn structures. no pieces appeared.
  • (2019-02-09) demongold811: Super Great šŸ‘šŸ»
  • (2019-02-04) Intence: Basically a very good program but there's a lot to improve... 1. Chessboard recognition is very bad 2. No customizations at all
  • (2018-12-29) IzukuŁ‹ MidoriyaŁ‹: Amazing but doesn't work on lichess
  • (2018-12-04) FX_Doktor: dsn't work :(
  • (2017-09-05) Faith Jayne: The game is so much fun.
  • (2017-09-05) Arefin Bashar Arif: Really great one, loved it.

Latest issues

  • (2019-12-16, v:1.28) Night Wolf: please fix it for lichess
    please fix it for lichess
  • (2019-05-15, v:1.27) Leonardo Lamberti: lichess
    Hi. It worked for 2 or 3 days, now only says "If your chess game is not detected try reloading the page" already reinstaled and chrome is on last version (74.0.3729.157 x64) can you check it please?
  • (2019-04-19, v:1.27) David Stefanov: Puzzle rush
    Could you make it be able to work in chess.com puzzle rush?
  • (2019-04-07, v:1.27) Fast Gamer: nice
  • (2019-01-31, v:1.26) adrian: too slow
    is there any way to make it calculate and give a move faster?
  • (2019-01-27, v:1.26) Archmageix TheDon: Board flip
    This is awesome but needs an option to flip the board
  • (2018-12-29, v:1.24) IzukuŁ‹ MidoriyaŁ‹: Grand Bastard extension
    For some reason the grand bastard extension doesn't work on lichess.org and since i got banned on chess.com and can't log back in my only other option is to use lichess.org.
  • (2018-05-08, v:1.1) Vicky Verma: For Android
    This is work in Android chrome browser or not
  • (2018-03-29, v:1.1) Jonas Deejee: lags behind a move
    I have a problem with the GrandBastard extension. After 2-3 moves on chess.com it calculates the next best move based on the previous one. So the advice is always for the move that already has happened. Is there a way to solve this?


2,178 history
3.5476 (42 votes)
Last update / version
2019-05-19 / 1.28
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