Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Bird_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. d3 Bb4+ 6. Bd2 Bxd2+ 7. Nxd2 Nf6
8. Nb3 O-O 9. Nxd4 d5 10. e5 Ng4 11. f4 a5 12. Ba4 Qh4+ 13. Ke2 *
Position (FEN): r1b2rk1/1pp2ppp/8/p2pP3/B2N1Pnq/3P4/PPP1K1PP/R2Q3R b - - 3 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 797
Best move: Qf2#