Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 7. d3 Qe7 8.
Nbd2 O-O-O 9. Qe1 Qf6 10. Qe3 Be6 11. Ng5 Be7 12. Ndf3 b6 13. Nxe6 fxe6 14. Bd2
Nh6 15. Bc3 Bd6 16. Rad1 Ng4 17. hxg4 *
Position (FEN): 2kr3r/2p3p1/pppbpq2/4p2p/4P1P1/2BPQN2/PPP2PP1/3R1RK1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 918
Best move: hxg4