Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_French_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. h3 Qc7 4. Be2 a6 5. O-O b5 6. c3 Bb7 7. Bd3 c4 8. Bc2 Bc5
9. Re1 Nf6 10. d4 cxd3 11. Bxd3 h5 12. Qe2 Ng4 13. Rf1 Nc6 14. b4 Bxb4 15. cxb4
Nd4 16. Nxd4 *
Position (FEN): r3k2r/1bqp1pp1/p3p3/1p5p/1P1NP1n1/3B3P/P3QPP1/RNB2RK1 b kq - 0 16
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 712
Best move: Qh2#