Chess puzzle (Checkmate)
Opening: Bird_Opening, Bird_Opening_Other_variations
Moves: 1. f4 Nc6 2. Nf3 Nf6 3. g3 d6 4. Bg2 Bg4 5. O-O e5 6. d3 exf4 7. Bxf4 Be7 8. e4
Ne5 9. Bxe5 dxe5 10. c3 O-O 11. Qb3 Qxd3 12. Nxe5 Qe3+ 13. Kh1 Be2 14. Re1 Nxe4
15. Qxb7 Nf2+ 16. Kg1 Nh3+ 17. Kh1 Qg1+ 18. Rxg1 *
Position (FEN): r4rk1/pQp1bppp/8/4N3/8/2P3Pn/PP2b1BP/RN4RK b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 910
Best move: Nf2#