CHANGELOG.md in chgk_rating-1.0.0 vs CHANGELOG.md in chgk_rating-2.0.0

@@ -1,6 +1,25 @@
 # Changelog
 
+## v2.0.0 (2021-12-28)
+
+Breaking changes:
+
+* `client.rating` is now `client.team_rating`
+* `client.ratings` is now `client.team_ratings`
+* `tournament.team` is now `tournament.team_by`
+
+New features:
+
+* Faraday now follows redirects (thanks, @L-Eugene)
+* Added ability to fetch ratings for players using `#player_rating` and `#player_ratings`
+* `Player` now also responds to `#rating`, `#ratings`, `#tournaments` methods
+*  Added ability to fetch tournaments for a player. `#tournaments` now also accepts `player_or_id`.
+
+Testing:   
+
+* Tested against more recent Ruby versions
+
 ## v1.0.0 (2018-02-23)
 
 * First stable version at last
 * Make `TournamentTeam` compatible with the recent API changes
 * More doc tweaks
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