Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 e5 5. Nge2 b6 6. O-O Bb7 7. d3 h6 8. Nd5
Nxd5 9. exd5 Na6 10. c4 Be7 11. a3 Bg5 12. Bxg5 hxg5 13. Qa4+ Ke7 14. b4 cxb4
15. axb4 Qe8 16. b5 Nc5 17. Qc2 f6 18. d4 Qh5 19. dxc5 *
Position (FEN): r6r/pb2k1p1/1p1p1p2/1PPPp1pq/2P5/6P1/2Q1NPBP/R4RK1 b - - 0 19
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1500
Best move: Qxh2#