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Post-Game Chess Coach

Chrome extension by m21264551 · Productivity · Education

A Chrome extension in Productivity · Education with 5 users, barely installed. Audience over the last 30 days: +1.

Specific sites only: 2 match patterns.

What the developer says, and 3 screenshots

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

Users
5
Rating
5.0 (3 ratings)
Users, last 30 days
+1
Rating, last 30 days
Steady over 30 days
Version
0.2.14
Updated in the store
2026-10-10
Published
2026-06-05
Manifest
V3
Browser access
4 permissions, 2 site patterns

How it has moved

Users
+1 since 01.10
4-7 · 11 readings
2026-10-09: released 0.2.122026-10-10: released 0.2.14
  1. 2026-10-086
  2. 2026-10-097released 0.2.12
  3. 2026-10-106released 0.2.14
  4. 2026-10-205
  5. 2026-10-216
  6. 2026-10-225
  7. 2026-10-234
  8. 2026-10-245
  9. 2026-10-264
  10. 2026-10-305
  11. 2026-10-315
Rating
unchanged since 01.10
reviewsrating 5.00 · 11 readings
2026-10-09: released 0.2.122026-10-10: released 0.2.14
  1. 2026-10-08reviews3rating5.00
  2. 2026-10-09reviews3rating5.00released 0.2.12
  3. 2026-10-10reviews3rating5.00released 0.2.14
  4. 2026-10-20reviews3rating5.00
  5. 2026-10-21reviews3rating5.00
  6. 2026-10-22reviews3rating5.00
  7. 2026-10-23reviews3rating5.00
  8. 2026-10-24reviews3rating5.00
  9. 2026-10-26reviews3rating5.00
  10. 2026-10-30reviews3rating5.00
  11. 2026-10-31reviews3rating5.00
Users
+1 since 01.09
4-7 · 23 readings
2026-10-09: released 0.2.122026-10-10: released 0.2.14
  1. 2026-09-014
  2. 2026-09-035
  3. 2026-09-055
  4. 2026-09-074
  5. 2026-09-085
  6. 2026-09-156
  7. 2026-09-164
  8. 2026-09-206
  9. 2026-09-215
  10. 2026-09-254
  11. 2026-09-265
  12. 2026-09-284
  13. 2026-10-086
  14. 2026-10-097released 0.2.12
  15. 2026-10-106released 0.2.14
  16. 2026-10-205
  17. 2026-10-216
  18. 2026-10-225
  19. 2026-10-234
  20. 2026-10-245
  21. 2026-10-264
  22. 2026-10-305
  23. 2026-10-315
Rating
unchanged since 01.09
reviewsrating 5.00 · 23 readings
2026-10-09: released 0.2.122026-10-10: released 0.2.14
  1. 2026-09-01reviews3rating5.00
  2. 2026-09-03reviews3rating5.00
  3. 2026-09-05reviews3rating5.00
  4. 2026-09-07reviews3rating5.00
  5. 2026-09-08reviews3rating5.00
  6. 2026-09-15reviews3rating5.00
  7. 2026-09-16reviews3rating5.00
  8. 2026-09-20reviews3rating5.00
  9. 2026-09-21reviews3rating5.00
  10. 2026-09-25reviews3rating5.00
  11. 2026-09-26reviews3rating5.00
  12. 2026-09-28reviews3rating5.00
  13. 2026-10-08reviews3rating5.00
  14. 2026-10-09reviews3rating5.00released 0.2.12
  15. 2026-10-10reviews3rating5.00released 0.2.14
  16. 2026-10-20reviews3rating5.00
  17. 2026-10-21reviews3rating5.00
  18. 2026-10-22reviews3rating5.00
  19. 2026-10-23reviews3rating5.00
  20. 2026-10-24reviews3rating5.00
  21. 2026-10-26reviews3rating5.00
  22. 2026-10-30reviews3rating5.00
  23. 2026-10-31reviews3rating5.00

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: 2 match patterns.

  • https://api.chess.com/pub/player/*/games/archives
  • https://api.chess.com/pub/player/*/games/*/*/pgn
  • Run its own code on the pages it can access scripting
  • 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

Version history

  1. Version 0.2.14
  2. Version 0.2.12 · Asked for fewer permissions (6, was 7)

What changed recently

  1. Store description rewritten
  2. Released version 0.2.14 (was 0.2.12)
  3. Now requires Chrome 116
Show the remaining 3
  1. Asked for fewer permissions (6, was 7)
  2. Store description rewritten (55 → 106 characters)
  3. Released version 0.2.12 (was 0.2.9)

The publisher

m21264551.

Like this one

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

  1. Wazir Describes nearly the same job, smaller audience 13 users ★ 5.0
  2. Lichess AI Coach Describes nearly the same job, smaller audience 917 users ★ 4.3
  3. Chess It Up - Chess Game Analyzer Describes nearly the same job, smaller audience 3k users ★ 5.0
  4. Chess.com Analyzer Describes nearly the same job, smaller audience 336 users ★ 1.0
  5. Free Chess Analyzer with brilliants, ratings Describes nearly the same job, smaller audience 4k users ★ 4.9

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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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/afddbohlglllnfdjhgdojbdalbfnnbaj"><img src="https://extops.dev/extensions/afddbohlglllnfdjhgdojbdalbfnnbaj/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built