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Chess Pro

Chrome extension by developer101 · Lifestyle · Fun

A Chrome extension in Lifestyle · Fun with 40 000 users, an established extension.

Specific sites only: 2 match patterns.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
40 000
Rating
3.5 (115 ratings)
Users, last 15 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
3.3.3
Updated in the store
2025-03-22
Published
2021-08-17
Manifest
V3
Browser access
4 permissions, 2 site patterns

How it has moved

Users
unchanged since 01.09
40k · 3 readings
  1. 2026-09-0140k
  2. 2026-09-0540k
  3. 2026-09-1540k
Rating
-0.022 since 01.09
reviewsrating 3.513-3.535 · 3 readings
  1. 2026-09-01reviews114rating3.535
  2. 2026-09-05reviews115rating3.513
  3. 2026-09-15reviews115rating3.513
Users
unchanged since 01.09
40k · 3 readings
  1. 2026-09-0140k
  2. 2026-09-0540k
  3. 2026-09-1540k
Rating
-0.022 since 01.09
reviewsrating 3.513-3.535 · 3 readings
  1. 2026-09-01reviews114rating3.535
  2. 2026-09-05reviews115rating3.513
  3. 2026-09-15reviews115rating3.513

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 2 match patterns.

  • http://*.lichess.org/*
  • https://*.lichess.org/*
  • Attach to pages the way developer tools do debugger
  • Act on the current tab, but only after you click it activeTab
  • Run work in a hidden page offscreen
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

developer101.

Like this one

Listings the catalog judges closest in what they say they do.

  1. ChessHelper.ai Describes nearly the same job, smaller audience 5k users ★ 4.2
  2. ChessSolve Describes nearly the same job, smaller audience 734 users ★ 5.0
  3. Chess Analyzer Pro (Auto Move) Describes nearly the same job, smaller audience 1k users ★ 4.1
  4. AI Chess Coach for Lichess™ Describes nearly the same job, smaller audience 91 users
  5. Chess.com & Lichess Game Review by Chess.day Describes nearly the same job, smaller audience 298 users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.