Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Bird_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. c4 Qh4 6. d3 a6 7. Ba4 Nf6 8.
Nd2 Ng4 9. Qe2 Ne3 10. Nf3 Nxg2+ 11. Kd1 Ne3+ 12. Kd2 Qf4 13. Nxd4 *
Position (FEN): r1b1kb1r/1ppp1ppp/p7/8/B1PNPq2/3Pn3/PP1KQP1P/R1B4R b kq - 0 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1783
Best move: Bb4#