Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nf3 b6 7. Bd3 Bb7 8. O-O
Be7 9. Qe2 d6 10. a3 Nd7 11. Nc3 Nxc3 12. bxc3 O-O 13. Bf4 dxe5 14. Nxe5 Nxe5
15. Bxe5 Bf6 16. Rae1 Bxe5 17. Qxe5 Rc8 18. Re3 Qd5 19. Rh3 *
Position (FEN): 2r2rk1/pb3ppp/1p2p3/3qQ3/3P4/P1PB3R/5PPP/5RK1 b - - 4 19
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 741
Best move: Qxg2#