Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Morphy_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. O-O Be7 7. c3 O-O 8. Bg5
b5 9. Bc2 Nb8 10. d4 c5 11. dxe5 dxe5 12. Nxe5 Qxd1 13. Rxd1 Rd8 14. Rxd8+ Bxd8
15. Bxf6 Bxf6 16. Ng4 *
Position (FEN): rnb3k1/5ppp/p4b2/1pp5/4P1N1/2P5/PPB2PPP/RN4K1 b - - 1 16
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 983
Best move: Bxg4