Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Modern_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Be7 5. Nc3 O-O 6. e3 dxc4 7. Bxc4 a6 8. Bd3
Nd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Qc2 g6 12. h4 h5 13. Ne5 c6 14. O-O-O Qd6
15. Rdg1 Nd7 16. Nxg6 *
Position (FEN): r1b2rk1/1p1n1p2/p1pq2N1/3p3p/3P3P/3BP3/PPQ2PP1/2K3RR b - - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 974
Best move: fxg6