Chess puzzle (Crushing)
Opening: Ruy_Lopez, Ruy_Lopez_Berlin_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. Nxe5 Qd4 6. f3 Qxe5 7. O-O Bc5+
8. Kh1 Bd7 9. c3 Bd6 10. f4 Qxe4 11. Re1 O-O-O 12. Rxe4 Nxe4 13. d3 *
Position (FEN): 2kr3r/pppb1ppp/2pb4/8/4nP2/2PP4/PP4PP/RNBQ3K b - - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 801
Best move: Nf2+