How to keep a rook prisoner

Black to move. By moving 53..Ne8 I trap the white rook on the 8th line. Unfortunately for him, my opponent tries to unblock it using his knight instead of his pawns. And fighting with a rook and a pawn against the white knight was piece of cake.

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Sacrifice

Please, start to follow from move 18..Nf4, I risked and sacrificed the bishop from c8, 19..Bxh3 ,and the white took the bait 20.gxh3. The rest is history.

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