Chess puzzle (Checkmate)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Kennedy_Variation
Moves: 1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Nc3 Ng6 5. Bc4 a6 6. a3 Bc5 7. Nf3 d6 8. O-O
Nf6 9. Be3 Ba7 10. Qd2 O-O 11. Rad1 Bg4 12. Kh1 Qc8 13. Rg1 Bd7 14. Be2 Ng4 15.
b4 Bxe3 16. fxe3 *
Position (FEN): r1q2rk1/1ppb1ppp/p2p2n1/3Pp3/1P2P1n1/P1N1PN2/2PQB1PP/3R2RK b - - 0 16
Black to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 583
Best move: Nf2#