Stable signalNo paid features detectedMedium-risk permissions

Stockfish Chess Engine

Professional real-time Stockfish chess engine analysis with visual best move overlays for Chess.com

Users2KCurrent public install base

Rating4.0Store average score

Reviews7Public review volume

Manifest versionV3Extension platform version

7-day growth0Net users gained this week

7-day growth rate0%Relative weekly velocity

Preview

Stockfish Chess Engine Media preview

4 assets

Trend

User growth trend

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User Growth Over Time

Rating trend

7-day rating trend

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7-day rating change

Start

4.00

Latest

4.00

7-day rating change

0.00

2026年7月16日2026年7月22日

Growth overview

Daily, weekly, and monthly growth

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1-day growthFlat

00%

7-day growthFlat

00%

30-day growthGrowing

+1K+100%

Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version1.0

ManifestV3

Size512KiB

Languages1English

Published--

Store updated--

Last crawled--

Overview

Product summary

Review the store description, core capabilities, and common use cases.

Elevate your chess game with real-time, Grandmaster-level analysis directly on your Chess.com board. This extension integrates the powerful Stockfish engine seamlessly into the Chess.com interface, providing you with instant visual feedback and deep positional understanding without leaving the page.

Reviews

Recent review snapshot

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Store average score4.0Chrome Web Store aggregate rating, including ratings without synced review text

Synced text average3.6Average computed only from synced review bodies below

Reviews with text5Synced review bodies

Total ratings / reviews7Chrome Web Store public rating/review count

Store average score: 4.0. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★

4★

3★

2★

1★

Sattor2026年5月23日

wow very good

Grimm2026年5月15日

though the options, animation are quite bland it's still pretty good.

HAUTMEDOP2026年5月6日

nice

asdf2026年4月8日

resets to white after every move

Daniil Aksonov2026年2月24日

is not working on chess.com

Similar and related extensions

Review related products from the Chrome Web Store detail page.

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Tools

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Fun

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Chess Aldora

Fun

Likely PaidConfidence 92Platform Stripe

Analyzes chess.com and lichess.org games with Stockfish and displays the best move.

chess.rodeo - Free Chess Analysis

Games

Analyze your chess.com games for free with Stockfish on chess.rodeo. Includes fixes for the updated Chess.com game-over screen.

AI product read

Real-time Stockfish chess engine analysis on Chess.com

Helps Chess.com players improve their game by providing instant, professional-level chess engine analysis directly on the board without tab switching

1. User installs extension and enables it on Chess.com. 2. Extension injects content scripts into Chess.com game pages. 3. User plays a game on Chess.com. 4. Extension monitors the board state and runs Stockfish analysis locally. 5. Best moves are displayed as visual overlays on the board. 6. User can adjust depth and think time settings via the popup. 7. Analysis results are displayed in the popup panel.

Target users: Chess.com players of all skill levels / Chess enthusiasts seeking to improve their game / Players who want instant engine analysis during games

Analysis based on source code inspection only, not live testing
Cannot verify actual performance or compatibility with all Chess.com board states
Cannot confirm if Chess.com's terms of service allow engine use during games

Monetization

No paid features detected

The extension itself is free. The code contains no payment processing, subscription gating, or paid feature logic. The 'Professional' in the description is marketing language, not a paid tier. The only financial reference is a 'Buy me a coffee' link for voluntary donations, which is not a paid feature. The extension does not gate any functionality behind a paywall.

Confidence: 90
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension does not require any login. Users can use it on Chess.com without creating an account with the extension vendor. The extension runs locally in the browser and uses Chrome.storage for settings persistence. No login UI, authentication flows, or account creation is implemented in the extension itself.

Permission risk

Medium-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

扩展能力较强：storage

Publisher

Independent publisher

Email: [email protected]
Phone: --
Address: --

Public contact fields are shown above. Developer portfolio pages are available on paid accounts.

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Permissions

Host access