Chess puzzle (Checkmate)
Opening: Englund_Gambit, Englund_Gambit_Other_variations
Moves: 1. d4 e5 2. dxe5 Nc6 3. Bf4 Qe7 4. Nf3 Qb4+ 5. Bd2 Qxb2 6. Nc3 Nb4 7. Nd4 c5 8.
Rb1 Qa3 9. Ndb5 Qa5 10. e3 Qd8 11. Ne4 a6 12. Nbd6+ Bxd6 13. Nxd6+ Kf8 14. Rxb4
cxb4 15. Bxb4 Ne7 16. Qh5 g6 17. Qh6+ Kg8 18. Ne4 Nf5 19. Nf6+ Qxf6 *
Position (FEN): r1b3kr/1p1p1p1p/p4qpQ/4Pn2/1B6/4P3/P1P2PPP/4KB1R w K - 0 20
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 927
Best move: Qf8#