Chess puzzle (Checkmate)
Opening: Benoni_Defense, Benoni_Defense_Old_Benoni
Moves: 1. d4 c5 2. Nc3 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. e4 e6 6. Bd3 Bb4 7. Ne2 d5 8.
exd5 Nxd5 9. O-O O-O 10. Ng3 Nxc3 11. Qh5 g6 12. Qh6 Re8 13. bxc3 Bxc3 14. Bg5
Qd5 15. Nh5 Ne7 16. Nf6+ Bxf6 17. Bxf6 Nf5 18. Bxf5 Qxf5 *
Position (FEN): r1b1r1k1/pp3p1p/4pBpQ/5q2/8/8/P1P2PPP/R4RK1 w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 858
Best move: Qg7#