Chess puzzle (Checkmate)
Opening: Czech_Defense, Czech_Defense_Other_variations
Moves: 1. d4 d6 2. e4 Nf6 3. Nc3 c6 4. Be3 Nbd7 5. Nf3 e5 6. dxe5 dxe5 7. Bg5 Be7 8.
Bc4 b5 9. Bb3 b4 10. Ne2 Nxe4 11. Bxe7 Qxe7 12. O-O Ndc5 13. Re1 Nxb3 14. cxb3
Qc5 15. Qd3 Nxf2 16. Qc4 Nh3+ 17. Kh1 Qg1+ 18. Nfxg1 *
Position (FEN): r1b1k2r/p4ppp/2p5/4p3/1pQ5/1P5n/PP2N1PP/R3R1NK b kq - 0 18
Black to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 967
Best move: Nf2#