GBChess Extension icon

GBChess Extension

Malware Detected

This extension has been flagged as potentially malicious.

Extension Delisted

This extension is no longer available in the official store. Delisted on 2025-09-15.

Extension Actions

CRX ID
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Status
  • Minor Policy Violation
  • Removed Long Ago
  • No Privacy Policy
Description from extension meta

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

Image from store
GBChess Extension
Description from store

By the creators of SmartAdBlock

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.

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

Gibiboii Boii
how do i make it stay open
Marek
Doesn't work at all no matter how much I'm reloading the page. Refuses to recognise any chess games on chess.com or lichess.
DUDE Icon
not working
Jonathan Ng
Sometimes works, sometimes doesn't. Not a good extension.
Senerefe Votrolya
I was playing one day and got banned the next. This tool helps you win but also gets you banned are there any solutions for that?
samuel shepherd
Works good on Chess.com But does not work on Lichess
Jasmine Hale
doesnt work on chess.com. trash!
KOOK COCK
dsnt work
Matias De Abreu
the game does not detect me
Tech_CamoDude
I wish it worked but It doesnt work
RubiGaming88
Works, I managed to beat a 1120 rated player while I was a 270, P.S. This extension only works via live chess, this is why for some people, you can't use it. Also, I gave 4 stars, because after an En Passant, it sometimes just stops working, could you please edit that? Thanks
ttv _nohealings
doesn't work on lichess. And yes i've tried everything.
nilay kumar
good i dont wan cheat okd? :p
X3M Slasher
NOt working
serge klok
It worked in 2020, I used it for analyzing my own moves, which was good. Then chess.com changed something on their website, and it stopped working. "No Chess Game Detected" it's what I'm getting in Chrome and Brave browsers. I would like to get a new version, please fix it.
SCRP
Now the idea is great but the extension stops working after a while. Some moves don't get updated and the board changes instead being identical, this happens after 5-4 moves.
ThatDaven
Doesnt work on lichess nor chess.com anymore
Rishav Roy
Unable to capture the chess board properly on lichess
EvilMrGui
Use it for live chess
jello
It used to work but now it doesn't detect game on hcess.com i've uninstalled and reinstalled refreshed the page and restarted my computer still does not work but it used to work fine
Yusuf Can Avcı Avcı
dont working chess.com
30 damage with a gold pump
it wouldn't detect anything i don't suggest probably should look for something else
T T
thought website companies couldn't detect this well think again bud.. they can
Gauthier
'no game detected' trash
L H
it didn't work D: : no game found ;-; ;-; tell me why
Michele Capone
It's not working on chess.com
Quack!
pieces dissapears, pls fix it
Anish Musician
DIDNT WORKED FOR ME ON CHESS.COM GAME NOT DETECTED
Nicholas Sahala Panjaitan
I'm Sorry this extension is not working at chess.com
Johan Degraeve
Does not work at all
Noliving
Doesn't work. It just keeps saying there is no game detected
coco hacks 2
problems: it stops working and changes into a different chessboard after about 5 moves on lichess.org a bit slow gets detected very easily (please fix these :)
Tanercan Bilgin
not working on chess.com
jayday9991
it doesn't work at all. I will change review when it starts to work
Carlos Matheus
No Chess Game Detected, pls fix
Ancient Drip Knight
Doesn't detect chess.com, maybe they patched it.
Axxetto
Worked for one game
nsaunders
doesnt work on lichess . it cant recognize the game after 4-7 moves or doesnt work at all
Ivan Villamar
Works pretty well on chess.com but lichess.org is kinda buggy, after 3 moves the pawns will go back to their positions after that. In chess.com the gb chess extension only work when your in Live Chess. Liked it man
Koky Kampuš
It never detected a game
Muhammad Valdis Aldevhan
at chees.com error board always stuck
Night Wolf
It doesnt work with the current version please update
lubek
im change the opinion when its has been fixed in lichess.org this remove figures
Bogdan Radu
It does not work, after a few moves it stop registering any move on the chess board. I know the comment is fabricated, easier for the devs to lie than actually fixing it. BTW the problems happes on chess.com
Big Nope
Unfortunately, stops detecting the chessboard properly after a few moves. This happens on both chess.com and lichess. A fix would be spectacular! Trying to learn how to play chess with this tool
Jaxson Rogie
usually very good but recently it doesn't update properly so once you update it and fix it itll be just as good as it used to be (I'd say around four stars) but right now it doesnt work on chess.com
Nexialist
The recognize doesn't update correctly for chess.com. Its also fairly slow (which I don't mind). I really hope the it updates correctly soon!
vBalino
took forever to do anything
Tom Saunders
worked well for a while, but now it doesn't register that the back row of pieces have moved, it only notices the movement of pawns. Looks like lots are having this problem and the devs are not fixing it (they are saying that this is a lie)
William Z
Works very well. Other reviews are misleading.