[Event "Start Analysis Engine to see Solution #4220 Chess: 5334 Problems, Combination"] [Site "Cleanchess.com"] [Date "2017.07.01"] [Round "0"] [White "Mate in three"] [Black "Black to move"] [FEN "6r1/5p2/1b1k1p2/3p4/7P/5N1Q/P4q1P/4R2K b - - 0 1"] 1... Qxe1+ 2. Qf1 Qxf1+ 3. Ng1 Qxg1# *