Chess opening (6)

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3,1

gambit

'chess opening' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for gambit that I've seen before include "Opening action" , "tricky move" , "Opening chess move" , "Stratagem in chess" , "Initial move found in bag, Tim" .)

I've seen this clue in The Mirror.

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