Solomon's game (4)

I believe the answer is:

solo

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This might be a double definition.

'solomon's' is the first definition.
Both the answer and definition are singular nouns.
Maybe there's a link between them I don't understand?

'game' is the second definition.
(I've seen this before)

Can you help me to learn more?

(Other definitions for solo that I've seen before include "Go it alone" , "Aline in Oslo" , "One-person performance" , "Card game; for one" , "Performed by a single voice or instrument" .)

I've seen this clue in the Evening Standard.

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