Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 a6 5. Ba4 b5 6. Bb3 Bb7 7. dxe5 Nxe5 8.
Nxe5 dxe5 9. Qf3 Nf6 10. Nd2 Bd6 11. O-O c5 12. c4 O-O 13. Re1 b4 14. Qh3 Bc8
15. Qh4 Be7 16. Qg3 Ng4 17. h3 *
Position (FEN): r1bq1rk1/4bppp/p7/2p1p3/1pP1P1n1/1B4QP/PP1N1PP1/R1B1R1K1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1164
Best move: Bh4