Chess puzzle (Checkmate)
Opening: Indian_Defense, Indian_Defense_Other_variations
Moves: 1. d4 Nf6 2. e3 g6 3. f4 Bg7 4. Nf3 d6 5. Bd3 Nc6 6. O-O O-O 7. Nbd2 Re8 8. b3
Nb4 9. Bb2 Nxd3 10. cxd3 c5 11. dxc5 dxc5 12. e4 Qxd3 13. e5 Ng4 14. Qb1 Qe3+
15. Kh1 Nf2+ 16. Kg1 Nh3+ 17. Kh1 Qg1+ 18. Rxg1 *
Position (FEN): r1b1r1k1/pp2ppbp/6p1/2p1P3/5P2/1P3N1n/PB1N2PP/RQ4RK b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 1405
Best move: Nf2#