Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Classical_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nd4 5. Nxd4 Bxd4 6. c3 Bb6 7. d4 c6 8.
Ba4 Qc7 9. Be3 Nf6 10. Qd3 Ng4 11. h3 exd4 12. cxd4 *
Position (FEN): r1b1k2r/ppqp1ppp/1bp5/8/B2PP1n1/3QB2P/PP3PP1/RN3RK1 b kq - 0 12
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 714
Best move: Qh2#