Clever as a solo player? (6)

I believe the answer is:

tricky

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'clever' is the definition.
(thesaurus)

I don't understand the rest of the clue.

(Other definitions for tricky that I've seen before include "Ticklish" , "Not that easy" , "Awkward - dishonest" , "Thorny" , "Problematic - deceitful" .)

I've seen this clue in the Evening Standard.

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