Chess puzzle (Advantage)
Opening: Owen_Defense, Owen_Defense_Other_variations
Moves: 1. e4 b6 2. Nf3 Bb7 3. Bd3 g6 4. O-O e6 5. c3 Qe7 6. Bc2 Nc6 7. d4 f5 8. e5 h6
9. Be3 g5 10. d5 exd5 11. Qxd5 Na5 12. Qd4 O-O-O 13. Bxf5 Nc6 14. Qa4 Qf7 15.
Be4 Kb8 16. Na3 g4 17. Nb5 *
Position (FEN): 1k1r1bnr/pbpp1q2/1pn4p/1N2P3/Q3B1p1/2P1BN2/PP3PPP/R4RK1 b - - 1 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1353
Best move: gxf3