Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Anglo-Scandinavian_Defense
Moves: 1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qf5 4. d4 Nc6 5. e4 Qa5 6. Bb5 Bd7 7. Bf4 O-O-O 8.
Qb3 Nxd4 9. Bxd7+ Rxd7 10. Qd1 Nb5 11. Qh5 a6 12. Nf3 Nf6 13. Qe5 Ng4 14. Qg5
Nf6 15. Qe5 Rd3 16. O-O Qb6 *
Position (FEN): 2k2b1r/1pp1pppp/pq3n2/1n2Q3/4PB2/2Nr1N2/PP3PPP/R4RK1 w - - 10 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1448
Best move: Nxb5