Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c4 e5 3. g3 Nf6 4. Bg2 g6 5. Ne2 Bg7 6. O-O Nc6 7. h3 O-O 8. d3 h6
9. f4 d6 10. Nbc3 a6 11. a4 Ne7 12. g4 exf4 13. Nxf4 Nd7 14. Nfd5 Ne5 15. Rb1
N7c6 16. Be3 Be6 17. Qd2 Kh7 18. g5 h5 19. Nf6+ Kh8 20. Ncd5 Rb8 21. Qe2 Nb4
22. Nxh5 Nexd3 23. Nxg7 Kxg7 24. Bd2 b5 25. Bc3+ Ne5 26. Rf6 bxc4 27. Rbf1 Nbd3
28. h4 Bg4 29. Bf3 Bxf3 30. R6xf3 Qd7 31. Rf6 Qh3 32. Qh2 Qxh2+ 33. Kxh2 Nxb2
34. Rxd6 Nd3 35. h5 gxh5 36. Kh3 Kh7 37. Kh4 Ng6+ 38. Kxh5 Nde5 39. Nf6+ Kg7
40. Ng4 Rh8+ 41. Nh6 Rb3 *
Position (FEN): 7r/5pk1/p2R2nN/2p1n1PK/P1p1P3/1rB5/8/5R2 w - - 7 42
White to move.
Themes: Pin Middlegame Hook Mate, Mate in 1 
Puzzle rating: 1920
Best move: Rxf7#