Having shown surpassing skill, picked for one's country (6)

I believe the answer is:

capped

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'picked for one's country' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

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(Other definitions for capped that I've seen before include "Of teeth fitted with crowns" , "Imposed limits - or headgear?" , "Covered on top" , "Imposed limit upon - or selected to play for country in rugby?" , "Limited" .)

I've seen this clue in the Evening Standard.

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