Tactics puzzles 10:-White to play and win

[Event "?"] [Site "?"] [Date "2013.06.12"] [Round "?"] [White "Tactics"] [Black "White to play and win"] [Result "*"] [SetUp "1"] [FEN "6k1/5pp1/1Q3b1p/3q1N2/8/6PP/5P1K/8 w - - 0 1"] [PlyCount "5"] 1. Qxf6 gxf6 2. Ne7+ Kg7 3. Nxd5 * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Tactics"] [Black "White to play and win"] [Result "*"] [SetUp "1"] [FEN "3r2k1/n1q2ppp/8/8/8/5Q1P/5PP1/3R1BK1 w - - 0 1"] [PlyCount "5"] 1. Qb7 {Deflecting the defender} Qc8 (1... Qxb7 2. Rxd8#) 2. Rxd8+ (2. Qxa7 $2 Rxd1) 2... Qxd8 3. Qxa7 *