Chess puzzle (Checkmate)
Opening: Elephant_Gambit, Elephant_Gambit_Other_variations
Moves: 1. e4 e5 2. Nf3 d5 3. d4 dxe4 4. Nxe5 Bd6 5. Bf4 Bf5 6. Bc4 Bg6 7. f3 Nf6 8.
O-O exf3 9. Qxf3 Bxe5 10. Bxe5 Nbd7 11. Qxb7 O-O 12. Nc3 Nxe5 13. dxe5 Qd4+ 14.
Kh1 Ng4 15. Bb3 Nf2+ 16. Kg1 Nh3+ 17. Kh1 Qg1+ 18. Rxg1 *
Position (FEN): r4rk1/pQp2ppp/6b1/4P3/8/1BN4n/PPP3PP/R5RK b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 903
Best move: Nf2#