Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Morphy_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 b5 6. Bc2 Bg4 7. d3 f5 8. h3 Bxf3
9. Qxf3 fxe4 10. dxe4 Nf6 11. Bg5 Be7 12. Bb3 Na5 13. Nd2 Nxb3 14. Nxb3 O-O 15.
Qg3 *
Position (FEN): r2q1rk1/2p1b1pp/p2p1n2/1p2p1B1/4P3/1NP3QP/PP3PP1/R3K2R b KQ - 2 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 787
Best move: Nxe4