Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e5 7. O-O Nf6 8.
Ng5 Be6 9. Nxe6 fxe6 10. Bxe6 Nd4 11. Qa4+ Ke7 12. Bh3 h6 13. Be3 Nc6 14. Nd5+
Nxd5 15. exd5 Nb8 16. Qh4+ Ke8 17. Qh5+ Ke7 18. Be6 Qe8 19. Qg5+ hxg5 *
Position (FEN): rn2qb1r/pp2k1p1/3pB3/3Pp1p1/8/4B3/PP3PPP/R4RK1 w - - 0 20
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 805
Best move: Bxg5#