Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nf3 e6 6. a3 Be7 7. Nc3 c6 8. Be2
O-O 9. O-O N6d7 10. b4 Na6 11. Bb2 Nc7 12. Qd3 b6 13. Bd1 Bb7 14. Bc2 f6 15.
Ne2 Ba6 16. Qe3 Bxe2 17. Qxe2 b5 18. Ne1 Nb6 19. f4 Nc4 20. Bc3 Qe8 21. Rf3 e5
22. dxe5 fxe5 23. f5 Bg5 24. Bb3 Qf7 25. Bxe5 Qh5 26. Bxc7 Rad8 27. Bxc4+ bxc4
28. Bxd8 Rxd8 29. Qxc4+ Kh8 30. Rh3 Qe8 31. Nf3 Be3+ 32. Kf1 Qd7 33. Ne5 Qd2
34. Nf7+ Kg8 35. Nh6+ Kh8 36. Qg8+ Rxg8 *
Position (FEN): 6rk/p5pp/2p4N/5P2/1P2P3/P3b2R/3q2PP/R4K2 w - - 0 37
White to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 818
Best move: Nf7#