Bishop, for instance, subjected to chequered fortunes (8)

I believe the answer is:

chessman

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'bishop for instance' is the definition.
(I know that Bishop is a type of chessman)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for chessman that I've seen before include "queen, perhaps" , "Eg, bishop, knight" , "Playing piece" , "Eg, bishop or rook" , "that's played on board" .)

I've seen this clue in The Irish Independent.

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