[Event "Cudo rješenje"]  [Site "?"]  [Date "2015.05.01"]  [Round "?"]  [White "Tactics #63"]  [Black "?"]  [Result "*"]  [SetUp "1"]  [FEN "8/8/pQ2pppk/2p5/5P2/KPn5/2P2P2/1r6 b - - 0 1"]  [PlyCount "3"]   1... Na4 {[pgndiagram] This amazing move wins in all variations} 2. Qd6   (2.  bxa4 Rxb6)   (2. Kxa4 Ra1#) 2... Ra1# *