Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Qc7 8. O-O
Nc6 9. Be3 Ne5 10. Qe2 Bxc3 11. bxc3 Nxd3 12. Qxd3 Ng4 13. h3 *
Position (FEN): r1b1k2r/1pqp1ppp/p3p3/8/2PNP1n1/2PQB2P/P4PP1/R4RK1 b kq - 0 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1240
Best move: Qh2#