ChessFX icon

ChessFX

by Durian Defense · moodurian.blogspot.com · Games
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 12 Nov 2026

ChessFX transforms Chess.com with immersive audio, custom clocks, diary reviews, handwritten scoresheets, visuals, and clever tools.

Users
3
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#297K
#257K among extensions
Version
2.4.17
updated 1 Aug 2026

Users

monthly, 4 months
023Jul 2026Oct 2026Nov 2026
Latest, 12 Nov 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 4 months
001Jul 2026Oct 2026Nov 2026
Latest, 12 Nov 2026: 0 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 ChessFX

ChessFX v2.4.39 Turn every Chess.com game into a more immersive, expressive and memorable chess experience. ChessFX enhances Chess.com with custom audio announcements, realistic chess clocks, cinematic game effects, performance controls, enhanced Game Review tools and a beautifully redesigned handwritten tournament scoresheet. During live games, ChessFX can react to key moments such as game starts, checks, time scrambles, draw offers, rating differences, openings, streaks, flags, wins, losses, draws and special achievements. Its intelligent audio queue helps announcements play in the correct order without unnecessary overlap. Choose between a realistic DGT digital chess clock and a traditional analogue chess clock, both designed to fit neatly above the board and remain readable at compact sizes. Adaptive Performance Mode helps reduce unnecessary background activity, with additional controls for Bullet games and lower-powered systems. After the game, the standard move list can transform into a realistic paper tournament scoresheet featuring: handwritten-style moves and move numbers paper texture, ruled lines and tournament details occasional human-like corrections and strike-through marks your real handwritten signature an opponent signature rendered from their Chess.com username ChessFX also expands the Game Review experience with Brilliant-move effects, accuracy announcements, missed-checkmate detection, cinematic replay features and Review This Moment diary entries. Saved moments can be revisited through the ChessFX Diary Library, complete with notes, images and voice recordings. Highlights: 1. Extensive custom sound and announcement system 2. Realistic DGT digital and analogue chess clocks 3. Handwritten paper scoresheet presentation 4. End-of-game player signatures 5. Review This Moment diary and saved-game library 6. Brilliant-move and Game Review enhancements 7. Custom background image/gif, cursors, HUD controls and visual effects 8. Adaptive, Classic and Bullet performance options 9. Searchable settings dashboard 10. Fine control over sounds, popups, effects and triggers ChessFX is highly configurable, allowing individual features to be enabled, disabled or adjusted according to your preferred playing style. ChessFX is an independent browser extension and is not affiliated with, endorsed by or sponsored by Chess.com.

Growth

WindowUsersChangeRatingsRating
7 days−1−25.0%00.00
30 days−1−25.0%00.00

Version history

2 versions recorded
2.4.171 Aug 2026
1.6.2 Trigger Tuning + Adjustable HUD Width23 Jul 2026

Details

Category
Games
First seen
23 Jul 2026
Size
58.4 MB
Languages
en-US
Pricing
Free
Support
moodurian.blogspot.com
Extension ID
miidnmdfockkeccigdkimccakihccjkd

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
storageunlimitedStorage
Site access
https://www.chess.com/*https://api.chess.com/*

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