Clip one unfairly in a game (7)

I believe the answer is:

pinocle

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'a game' is the definition.
I don't know anything about this answer so I can't judge whether it can be defined by this definition.

'clip one unfairly' is the wordplay.
'unfairly' is an anagram indicator (I've seen this in other clues).
'clip'+'one'='clipone'
'clipone' anagrammed gives 'PINOCLE'.

'in' acts as a link.

Can you help me to learn more?

(Another definition for pinocle that I've seen is " card game".)

I've seen this clue in the Evening Standard.

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