Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bc5 6. d3 Nf6 7. Nxe5 Qd6 8.
Nf3 Ng4 9. h3 h5 10. Nc3 Bd4 11. Nxd4 *
Position (FEN): r1b1k2r/1pp2pp1/p1pq4/7p/3NP1n1/2NP3P/PPP2PP1/R1BQ1RK1 b kq - 0 11
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 947
Best move: Qh2#