Chess puzzle (Checkmate)
Moves: 1. Nf3 c5 2. b3 Nf6 3. Bb2 g6 4. e4 Bg7 5. e5 Nd5 6. c4 Nf4 7. g3 Ne6 8. Bg2
Nc6 9. O-O O-O 10. Re1 d6 11. Na3 Ned4 12. Nxd4 Nxd4 13. Bxd4 cxd4 14. exd6
Qxd6 15. Nb5 Qd8 16. d3 e5 17. Qf3 a6 18. Na3 Rb8 19. Nc2 Qa5 20. Qd5 Qc3 21.
Rac1 Be6 22. Qc5 Qxd3 23. Be4 Qd2 24. Rcd1 Qg5 25. Nb4 Qd8 26. Nd5 Kh8 27. Bg2
f5 28. Nf4 Bg8 29. Nd5 Rc8 30. Qa7 Rb8 31. f4 Re8 32. fxe5 Rxe5 33. Rxe5 Bxe5
34. Rxd4 Ra8 35. Qc5 Rc8 36. Qa7 b5 37. Rh4 Bg7 38. Qe3 bxc4 39. bxc4 Qa5 40.
h3 Qxa2 41. Nf4 Rxc4 *
Position (FEN): 6bk/6bp/p5p1/5p2/2r2N1R/4Q1PP/q5B1/6K1 w - - 0 42
White to move.
Themes: Pin Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 938
Best move: Nxg6#