Chess puzzle (Advantage)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_El_Columpio_Defense
Moves: 1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4 4. d4 e6 5. Bb5 a6 6. Bxc6 bxc6 7. h3 Nh6 8.
Bxh6 gxh6 9. O-O Rb8 10. b3 Bb4 11. c3 Be7 12. Nbd2 Rg8 13. Nh2 Bb7 14. Qh5 c5
15. Ndf3 cxd4 16. cxd4 Rg6 17. Ng4 *
Position (FEN): 1r1qk3/1bppbp1p/p3p1rp/4P2Q/3P2N1/1P3N1P/P4PP1/R4RK1 b - - 2 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1551
Best move: Bxf3