Chess puzzle (Checkmate)
Opening: Benoni_Defense, Benoni_Defense_Old_Benoni
Moves: 1. d4 c5 2. d5 e6 3. dxe6 fxe6 4. b3 Nf6 5. Bb2 Be7 6. e3 O-O 7. Bc4 d5 8. Bd3
Nbd7 9. c4 Nb6 10. cxd5 exd5 11. Nd2 Ng4 12. Ngf3 Bg5 13. Qc2 d4 14. Bxh7+ Kh8
15. Bg6 dxe3 16. fxe3 Nxe3 17. Qc3 Nxg2+ 18. Kf1 Bxd2 *
Position (FEN): r1bq1r1k/pp4p1/1n4B1/2p5/8/1PQ2N2/PB1b2nP/R4K1R w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 739
Best move: Qxg7#