Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_French_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Qxd4 Nc6 6. Qd1 Qc7 7. Bd2 Nf6 8.
Bd3 Bc5 9. O-O Ng4 10. h3 h5 11. a3 Nd4 12. Nxd4 *
Position (FEN): r1b1k2r/1pqp1pp1/p3p3/2b4p/3NP1n1/P1NB3P/1PPB1PP1/R2Q1RK1 b kq - 0 12
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1561
Best move: Qh2#