Usually best if you can give an example to illustrate.
API bugs
Sort:
when I run 'https://www.chess.com/callback/live/stats/YankeeBastid/chart?daysAgo=30&type=rapid' I get many duplicates in the results. Why would I see duplicates in the results?
result:
[{"timestamp":1641888000000,"rating":822},{"timestamp":1641974400000,"rating":822},{"timestamp":1642060800000,"rating":822},{"timestamp":1642147200000,"rating":822},{"timestamp":1642233600000,"rating":829},{"timestamp":1642320000000,"rating":829},{"timestamp":1642406400000,"rating":829},{"timestamp":1642492800000,"rating":823},{"timestamp":1642579200000,"rating":823},{"timestamp":1642665600000,"rating":814},{"timestamp":1642752000000,"rating":814},{"timestamp":1642838400000,"rating":814},{"timestamp":1642924800000,"rating":814},{"timestamp":1643011200000,"rating":814},{"timestamp":1643097600000,"rating":814},{"timestamp":1643184000000,"rating":814},{"timestamp":1643270400000,"rating":814},{"timestamp":1643356800000,"rating":814},{"timestamp":1643443200000,"rating":807},{"timestamp":1643529600000,"rating":807},{"timestamp":1643616000000,"rating":815},{"timestamp":1643702400000,"rating":823},{"timestamp":1643788800000,"rating":806},{"timestamp":1643875200000,"rating":821},{"timestamp":1643961600000,"rating":830},{"timestamp":1644048000000,"rating":838},{"timestamp":1644134400000,"rating":838},{"timestamp":1644220800000,"rating":838},{"timestamp":1644307200000,"rating":838},{"timestamp":1644393600000,"rating":838}]
It looks like a daily rating record, converted the ts to date.
{'timestamp': 1641888000000, 'rating': 822}
2022-01-11T16:00:00, 822
{'timestamp': 1641974400000, 'rating': 822}
2022-01-12T16:00:00, 822
{'timestamp': 1642060800000, 'rating': 822}
2022-01-13T16:00:00, 822
{'timestamp': 1642147200000, 'rating': 822}
2022-01-14T16:00:00, 822
{'timestamp': 1642233600000, 'rating': 829}
2022-01-15T16:00:00, 829
{'timestamp': 1642320000000, 'rating': 829}
2022-01-16T16:00:00, 829
{'timestamp': 1642406400000, 'rating': 829}
2022-01-17T16:00:00, 829
{'timestamp': 1642492800000, 'rating': 823}
2022-01-18T16:00:00, 823
{'timestamp': 1642579200000, 'rating': 823}
2022-01-19T16:00:00, 823
{'timestamp': 1642665600000, 'rating': 814}
2022-01-20T16:00:00, 814
fide rating is missing in player profile endpoint
https://api.chess.com/pub/player/{username}
In the api at https://www.chess.com/news/view/published-data-api#pubapi-endpoint-player
it mentions about the fide rating.
Example:
https://api.chess.com/pub/player/hikaru
{"avatar":"https://images.chesscomfiles.com/uploads/v1/user/15448422.90503d66.200x200o.f323efa57fd0.jpeg","player_id":15448422,"@id":"https://api.chess.com/pub/player/hikaru","url":"https://www.chess.com/member/Hikaru","name":"Hikaru Nakamura","username":"hikaru","title":"GM","followers":914261,"country":"https://api.chess.com/pub/country/US","location":"Sunrise, Florida","last_online":1644695316,"joined":1389043258,"status":"premium","is_streamer":true,"twitch_url":"https://twitch.tv/gmhikaru"}
I have determined it is a non-issue. If I ask for thirty days, and the player has not played in 'x' days those days will still show up with the last known rating for that data point. So that explains the duplicate ratings on subsequent days.
Feb 13, 2022
0
#8
Thanks, this doc is misleading.
Even with stats there are players without fide rating. Example.
https://api.chess.com/pub/player/sibelephant/stats
https://api.chess.com/pub/player/gmwso/stats
Feb 13, 2022
0
#10
The rating field is optional. It will only be available if the member has entered a value in the account settings and is static. It doesn't get an automatic update.
(And some members lie)
Looks like I need to build a lookup table, chess.com username or id or name to fide id number or name.
The FIDE rating is only there if the players specify it, for example Hikaru:
https://api.chess.com/pub/player/hikaru/stats
There is a url in chess.com with this pattern.
https://www.chess.com/players/{firstname}-{lastname}
FIDE rating seems to be updated.
Examples:
https://www.chess.com/players/magnus-carlsen
https://www.chess.com/players/hikaru-nakamura
https://www.chess.com/players/wesley-so
There seems to be a bug in the pgn API, when the response size for a given player is above 10MB, then you get an empty result.
A similar problem is with the game list and the missing corresponding field.