Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nf6 6. Qe2 Nc6 7. c3 e6 8.
Rd1 Be7 9. d4 cxd4 10. cxd4 d5 11. e5 Ne4 12. Be3 O-O 13. Ne1 f5 14. f3 Ng5 15.
h4 Nf7 16. h5 Bg5 17. f4 Bh6 18. Nc3 a6 19. Rac1 b6 20. Na4 Qb7 21. a3 Rac8 22.
Rc3 Na5 23. Rdc1 Rxc3 24. Rxc3 Nc4 25. Bf2 Bxf4 26. Qf3 Bh6 27. Rxc4 Ng5 28.
Qe2 dxc4 29. Qxc4 Rc8 30. Qb3 Ne4 31. Qxe6+ Kh8 32. Nxb6 Rb8 33. Nc4 Nxf2 34.
Kxf2 Qb3 35. Nf3 Qc2+ 36. Kg3 Qe4 37. Qd6 Qf4+ 38. Kf2 Rg8 39. e6 Qe4 40. Nce5
Be3+ 41. Kf1 Qc2 *
Position (FEN): 6rk/6pp/p2QP3/4Np1P/3P4/P3bN2/1Pq3P1/5K2 w - - 5 42
White to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 829
Best move: Nf7#