Chess puzzle (Checkmate)
Opening: Englund_Gambit_Complex, Englund_Gambit_Complex_Englund_Gambit
Moves: 1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Bf4 Qb4+ 5. Bd2 Qxb2 6. Nc3 Bb4 7. Rb1 Qa3
8. Rb3 Qa5 9. e3 a6 10. Bc4 Nge7 11. O-O b5 12. Bxf7+ Kxf7 13. Ng5+ Ke8 14.
Qh5+ Kd8 15. Nf7+ Ke8 16. Nd6+ Kd8 17. Qe8+ Rxe8 *
Position (FEN): r1bkr3/2ppn1pp/p1nN4/qp2P3/1b6/1RN1P3/P1PB1PPP/5RK1 w - - 0 18
White to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 1199
Best move: Nf7#