Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Other_variations
Moves: 1. e4 c5 2. Qh5 d6 3. Bc4 e6 4. Nc3 Nf6 5. Qh4 Be7 6. Qg3 O-O 7. e5 dxe5 8.
Qxe5 Nc6 9. Qe2 Nd4 10. Qd1 a6 11. Nge2 b5 12. Nxd4 Qxd4 13. Be2 b4 14. Nb1 Bb7
15. O-O Bd6 16. c3 Qh4 17. g3 Qh3 18. Bf3 Ng4 19. Bxg4 *
Position (FEN): r4rk1/1b3ppp/p2bp3/2p5/1p4B1/2P3Pq/PP1P1P1P/RNBQ1RK1 b - - 0 19
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 858
Best move: Qg2#