Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. d4 g6 2. e3 Nf6 3. Bd3 Bg7 4. Nf3 O-O 5. h3 d6 6. c3 Re8 7. e4 c6 8. Nbd2 e5
9. d5 cxd5 10. exd5 e4 11. Bb5 exf3+ 12. Bxe8 Qxe8+ 13. Kf1 fxg2+ 14. Kxg2 Nxd5
15. Nf3 Qe4 16. Re1 Nf4+ *
Position (FEN): rnb3k1/pp3pbp/3p2p1/8/4qn2/2P2N1P/PP3PK1/R1BQR3 w - - 4 17
White to move.
Themes:  Opening  
Puzzle rating: 1673
Best move: Bxf4