Chess puzzle (Advantage)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Scandinavian_Variation
Moves: 1. e4 d5 2. e5 Nc6 3. d4 e6 4. c3 Be7 5. Bd3 b6 6. Nf3 Bb7 7. h4 f6 8. O-O fxe5
9. dxe5 g6 10. Ng5 d4 11. Nxe6 Qd7 12. Ng7+ Kf8 13. e6 Qd5 14. c4 Qe5 15. Qf3+
Bf6 16. Bf4 Qa5 17. Bh6 Nd8 18. Nh5+ Ke7 19. Nxf6 *
Position (FEN): r2n2nr/pbp1k2p/1p2PNpB/q7/2Pp3P/3B1Q2/PP3PP1/RN3RK1 b - - 0 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1783
Best move: Bxf3