(P3654)
English
Chess.com member ID
Chess.com identifier used with https://www.chess.com/member/$1
Data type
External identifier
Statements
https://www.chess.com/member/$1
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^https?:\/\/www\.chess\.com\/member\/([\w\-]+)
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[-_0-9A-Za-z]+
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17 November 2021
Chess.com members GM
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20 November 2021
Chess.com members WGM
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Constraints
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[0-9A-Za-z][-_0-9A-Za-z]{1,20}[0-9A-Za-z]
Usernames are a minimum of 3 characters and a maximum of 22, and need to begin and end with a number or a letter (English)
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