Bishop gave instructions with an edge (8)

I believe the answer is:

bordered

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'bishop gave instructions with an edge' is the definition.
I can't judge whether this defines the answer.

'bishop gave instructions' is the wordplay.
'bishop' becomes 'B' (abbreviation for bishop in chess).
'gave instructions' becomes 'ordered' (I've seen this before).
'b'+'ordered'='BORDERED'

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I've seen this clue in The Times.

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