Like a friendly game of chess? (5)

I believe the answer is:

matey

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'like' is the definition.
Both the definition and answer are adjectives. Perhaps they are linked in a way I don't understand?

I don't understand the remainder of the clue.

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(Other definitions for matey that I've seen before include "uncomfortably friendly" , "Chummy" , "Friendly, sociable" , "Close chum (slang)" , "china" .)

I've seen this clue in the Evening Standard.

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