Criticise Bishop’s game (5)
I believe the answer is:
blame
'criticise' is the definition.
(blaming is a kind of criticizing)
'bishop's game' is the wordplay.
'bishop' becomes 'B' (chess abbreviation).
'game' becomes 'lame' (I've seen this before).
'b'+'lame'='BLAME'
(Other definitions for blame that I've seen before include "Find fault with" , "Accuse" , "Accountability" , "Impute fault to" , "Inculpate" .)