One on board managing rough treatment (11)

I believe the answer is:

manhandling

'rough treatment' is the definition.
(holding someone roughly)

'one on board managing' is the wordplay.
'one on board' becomes 'man' (term for a chess piece).
'managing' becomes 'handling' (handling is a kind of managing).
'man'+'handling'='MANHANDLING'

I've seen this clue in The Guardian.

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