Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. Nc3 Nf6 5. Bg5 h6 6. Bh4 c6 7. h3 Nh7 8. e4
Be6 9. Nf3 Nf6 10. Bd3 Nh5 11. O-O Nf4 12. Bc2 Nd7 13. Kh2 Nf6 14. Ne5 g5 15.
Bg3 N4h5 16. Ng6 fxg6 17. e5 Nd5 *
Position (FEN): r2qkb1r/pp2p3/2p1b1pp/3nP1pn/3P4/2N3BP/PPB2PPK/R2Q1R2 w kq - 1 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1065
Best move: Bxg6+