Shoot a female bishop in duel, retreating (7)

I believe the answer is:

leafbud

'shoot' is the definition.

'a female bishop in duel retreating' is the wordplay.
'a female' becomes 'af' (I've seen this in other clues**).
'bishop' becomes 'b' (abbreviation used in chess).
'in' means one lot of letters goes inside another.
'retreating' shows that the letters should be reversed in order.
'duel' back-to-front is 'leud'.
'af'+'b'='afb'
'afb' placed into 'leud' is 'LEAFBUD'.

I've seen this clue in The Times.

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