[Event "Dusseldorf, 1863"] [White "Louis Paulsen"] [Black "C Bollen"] [FEN "k7/1p1rr1pp/pR1p1p2/Q1pq4/P7/8/2P3PP/1R4K1 w - - 1 0"] %Hidden=1 1. Rxa6+ bxa6 2. Qxa6+ Ra7 3. Qc8#