Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Schliemann_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Bxc6 dxc6 5. Nxe5 Qe7 6. Qh5+ g6 7. Nxg6 Qxe4+
8. Kf1 Nf6 9. Qg5 Bg7 10. Nxh8 Qc4+ 11. d3 Qxc2 12. Qxg7 *
Position (FEN): r1b1k2N/ppp3Qp/2p2n2/5p2/8/3P4/PPq2PPP/RNB2K1R b q - 0 12
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1684
Best move: Qd1#