Highlights attacked and hanging pieces, attackers, defenders, and potential movement squares.
Users
827
−10 in 30 days
Rating
4.1 / 5
unchanged in 30 days
Ratings
7
0 in 30 days
Store rank
#34K
#29K among extensions
Version
1.1.4
updated 22 Sep 2025
Users
monthly, 2 years
Latest, 15 Oct 2026:827 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 years
Latest, 15 Oct 2026:7 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Chess.com Highlighter
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.
Features:
🔹 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.
Includes a 3-day free trial.
If you encounter any issues or have suggestions for new features, please contact me at chesshighlighter@gmail.com
Growth
Window
Users
Change
Ratings
Rating
7 days
+5
+0.6%
0
0.00
30 days
−10
−1.2%
0
0.00
6 months
+429
+107.8%
+1
+0.14
1 year
+588
+246.0%
+3
+0.64
Chrome Web Store search rankings
Where Chess.com Highlighter appears when people search the store, with the 30 day change