Chess puzzle (Checkmate)
Opening: Bird_Opening, Bird_Opening_Other_variations
Moves: 1. f4 c6 2. e3 d5 3. Nf3 Bf5 4. d4 e6 5. Be2 c5 6. c3 cxd4 7. cxd4 Nc6 8. Nc3
Nf6 9. O-O Bb4 10. Ne5 Bxc3 11. bxc3 Nxe5 12. fxe5 Ne4 13. Bb2 Qg5 14. Bf3
Qxe3+ 15. Kh1 Nf2+ 16. Kg1 Nh3+ 17. Kh1 Qg1+ 18. Rxg1 *
Position (FEN): r3k2r/pp3ppp/4p3/3pPb2/3P4/2P2B1n/PB4PP/R2Q2RK b kq - 0 18
Black to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 843
Best move: Nf2#