Chess puzzle (Advantage)
Opening: Kings_Gambit_Accepted, Kings_Gambit_Accepted_Becker_Defense
Moves: 1. e4 e5 2. f4 exf4 3. Nf3 h6 4. d4 g5 5. Bc4 Nc6 6. d5 Na5 7. Bd3 d6 8. b4 c5
9. bxa5 Qxa5+ 10. Bd2 Qb6 11. O-O c4+ 12. Kh1 cxd3 13. cxd3 Bg7 14. Nc3 Ne7 15.
Rb1 Qa6 *
Position (FEN): r1b1k2r/pp2npb1/q2p3p/3P2p1/4Pp2/2NP1N2/P2B2PP/1R1Q1R1K w kq - 5 16
White to move.
Themes:  Opening  
Puzzle rating: 1626
Best move: Nb5