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Chess Review

Chrome extension by Julsgaard · Productivity · Tools

A Chrome extension in Productivity · Tools with 746 users, barely installed. Audience over the last 30 days: +300.

Specific sites only: 4 match patterns.

What the developer says, and 5 screenshots

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

Users
746
Rating
4.8 (11 ratings)
Users, last 30 days
+300
Rating, last 30 days
+0.10 in 30 days
Version
0.4.1
Updated in the store
2026-10-31
Published
2026-06-26
Manifest
V3
Browser access
3 permissions, 4 site patterns

How it has moved

Users
+300 since 02.10
446-863 · 18 readings
2026-10-07: released 0.3.02026-10-29: released 0.4.02026-10-31: released 0.4.1
  1. 2026-10-04558
  2. 2026-10-08580
  3. 2026-10-09576
  4. 2026-10-11593
  5. 2026-10-13607
  6. 2026-10-16677
  7. 2026-10-17683
  8. 2026-10-18719
  9. 2026-10-19745
  10. 2026-10-21790
  11. 2026-10-22802
  12. 2026-10-23831
  13. 2026-10-24863
  14. 2026-10-25849
  15. 2026-10-27811
  16. 2026-10-29789released 0.4.0
  17. 2026-10-31746released 0.4.1
  18. 2026-11-01746
Rating
+0.10 since 02.10
reviewsrating 4.71-4.82 · 18 readings
2026-10-07: released 0.3.02026-10-29: released 0.4.02026-10-31: released 0.4.1
  1. 2026-10-04reviews11rating4.82
  2. 2026-10-08reviews11rating4.82
  3. 2026-10-09reviews11rating4.82
  4. 2026-10-11reviews11rating4.82
  5. 2026-10-13reviews11rating4.82
  6. 2026-10-16reviews11rating4.82
  7. 2026-10-17reviews11rating4.82
  8. 2026-10-18reviews11rating4.82
  9. 2026-10-19reviews11rating4.82
  10. 2026-10-21reviews11rating4.82
  11. 2026-10-22reviews11rating4.82
  12. 2026-10-23reviews11rating4.82
  13. 2026-10-24reviews11rating4.82
  14. 2026-10-25reviews11rating4.82
  15. 2026-10-27reviews11rating4.82
  16. 2026-10-29reviews11rating4.82released 0.4.0
  17. 2026-10-31reviews11rating4.82released 0.4.1
  18. 2026-11-01reviews11rating4.82
Users
+528 since 01.09
218-863 · 32 readings
2026-10-01: released 0.2.02026-10-07: released 0.3.02026-10-29: released 0.4.02026-10-31: released 0.4.1
  1. 2026-09-01218
  2. 2026-09-02247
  3. 2026-09-04269
  4. 2026-09-05282
  5. 2026-09-07291
  6. 2026-09-08312
  7. 2026-09-10316
  8. 2026-09-13325
  9. 2026-09-15339
  10. 2026-09-17347
  11. 2026-09-21383
  12. 2026-09-25421
  13. 2026-09-26434
  14. 2026-09-28446
  15. 2026-10-04558
  16. 2026-10-08580
  17. 2026-10-09576
  18. 2026-10-11593
  19. 2026-10-13607
  20. 2026-10-16677
  21. 2026-10-17683
  22. 2026-10-18719
  23. 2026-10-19745
  24. 2026-10-21790
  25. 2026-10-22802
  26. 2026-10-23831
  27. 2026-10-24863
  28. 2026-10-25849
  29. 2026-10-27811
  30. 2026-10-29789released 0.4.0
  31. 2026-10-31746released 0.4.1
  32. 2026-11-01746
Rating
-0.18 since 01.09
reviewsrating 4.71-5.00 · 32 readings
2026-10-01: released 0.2.02026-10-07: released 0.3.02026-10-29: released 0.4.02026-10-31: released 0.4.1
  1. 2026-09-01reviews5rating5.00
  2. 2026-09-02reviews5rating5.00
  3. 2026-09-04reviews5rating5.00
  4. 2026-09-05reviews5rating5.00
  5. 2026-09-07reviews5rating5.00
  6. 2026-09-08reviews5rating5.00
  7. 2026-09-10reviews6rating5.00
  8. 2026-09-13reviews6rating5.00
  9. 2026-09-15reviews6rating5.00
  10. 2026-09-17reviews6rating5.00
  11. 2026-09-21reviews7rating4.71
  12. 2026-09-25reviews7rating4.71
  13. 2026-09-26reviews7rating4.71
  14. 2026-09-28reviews7rating4.71
  15. 2026-10-04reviews11rating4.82
  16. 2026-10-08reviews11rating4.82
  17. 2026-10-09reviews11rating4.82
  18. 2026-10-11reviews11rating4.82
  19. 2026-10-13reviews11rating4.82
  20. 2026-10-16reviews11rating4.82
  21. 2026-10-17reviews11rating4.82
  22. 2026-10-18reviews11rating4.82
  23. 2026-10-19reviews11rating4.82
  24. 2026-10-21reviews11rating4.82
  25. 2026-10-22reviews11rating4.82
  26. 2026-10-23reviews11rating4.82
  27. 2026-10-24reviews11rating4.82
  28. 2026-10-25reviews11rating4.82
  29. 2026-10-27reviews11rating4.82
  30. 2026-10-29reviews11rating4.82released 0.4.0
  31. 2026-10-31reviews11rating4.82released 0.4.1
  32. 2026-11-01reviews11rating4.82

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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: 4 match patterns.

  • https://api.chess.com/*
  • https://www.chess.com/*
  • https://chess.com/*
Show the remaining 1
  • https://lichess.org/*
  • Act on the current tab, but only after you click it activeTab
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

Version history

  1. Version 0.4.1
  2. Version 0.4.0
  3. Version 0.3.0
Show the remaining 1
  1. Version 0.2.0 · Asked for more permissions (7, was 6)

What changed recently

  1. Released version 0.4.1 (was 0.4.0)
  2. Package size changed
  3. Store description rewritten (48 → 62 characters)
Show the remaining 9
  1. Released version 0.4.0 (was 0.3.0)
  2. Package size changed
  3. Store description rewritten (83 → 48 characters)
  4. Released version 0.3.0 (was 0.2.0)
  5. Now requires Chrome 121
  6. Package size changed
  7. Asked for more permissions (7, was 6)
  8. Store description rewritten
  9. Released version 0.2.0 (was 0.1.1)

The publisher

Julsgaard.

Like this one

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

  1. SabioChess - Free Chess Analysis & Game Review Describes nearly the same job, smaller audience 30 users ★ 5.0
  2. chess.rodeo - Free Chess Analysis Describes nearly the same job, smaller audience 499 users ★ 4.5
  3. Chess Analytics — analyze games Describes nearly the same job, smaller audience 6 users
  4. Free Chess Analyzer with brilliants, ratings Describes nearly the same job, smaller audience 4k users ★ 4.9
  5. ChessOnyx Analyser Describes nearly the same job, smaller audience 56 users

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.

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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/pdbffcjdmcadihmnmenkadndbdbigfam/badge.svg)](https://extops.dev/extensions/pdbffcjdmcadihmnmenkadndbdbigfam)

HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-31. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built