[Event "Start Analysis Engine to see Solution #4254 Chess: 5334 Problems, Combination"] [Site "Cleanchess.com"] [Date "2017.07.01"] [Round "0"] [White "Mate in three"] [Black "Black to move"] [FEN "r7/1p2kNQB/1qp4p/8/1p6/1p2Pb2/1P3P1P/1K6 b - - 0 1"] 1... Ra1+ 2. Kxa1 Qa6+ 3. Kb1 Qf1# *