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. d3 Bc5 7. Nbd2 Qe7 8.
h3 h5 9. Qe1 O-O-O 10. Nh2 Be6 11. Ndf3 f6 12. Nh4 Qd7 13. Be3 Bxe3 14. Qxe3 g5
15. N4f3 g4 16. hxg4 *
Position (FEN): 2kr2nr/1ppq4/p1p1bp2/4p2p/4P1P1/3PQN2/PPP2PPN/R4RK1 b - - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1128
Best move: hxg4