Chess puzzle (Advantage)
Opening: Zukertort_Opening, Zukertort_Opening_Kingside_Fianchetto
Moves: 1. Nf3 g6 2. d4 Bg7 3. Bf4 e6 4. e3 h6 5. h3 Nf6 6. Bd3 d5 7. Be5 Nbd7 8. c3
Nxe5 9. Nxe5 Ne4 10. Qa4+ c6 11. Nxc6 bxc6 12. Qxc6+ Bd7 13. Qb7 O-O 14. Bb5
Nd6 15. Qxd7 Nxb5 *
Position (FEN): r2q1rk1/p2Q1pb1/4p1pp/1n1p4/3P4/2P1P2P/PP3PP1/RN2K2R w KQ - 0 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1070
Best move: Qxb5