[Event "New York, 1876"] [White "Henry Bird"] [Black "James Mason"] [FEN "6rk/7p/pp3b2/2pbqP2/5Q2/5R1P/P6P/2B2R1K b - - 0 1"] %Hidden=1 1... Qe2 2. Rg1 Bxf3+ 3. Qxf3 Qxf3+ 4. Rg2 Qxg2#