Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. Bd3 Bb4 8.
Qd2 O-O 9. O-O Ng4 10. h3 *
Position (FEN): rnb2rk1/1pqp1ppp/p3p3/8/1b1NP1n1/2NBB2P/PPPQ1PP1/R4RK1 b - - 0 10
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 871
Best move: Qh2#