Chess puzzle (Checkmate)
Moves: 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 d6 5. e4 f5 6. d3 Nf6 7. Nge2 O-O 8. O-O
Nc6 9. h3 Be6 10. Nd5 Qd7 11. exf5 gxf5 12. f4 Bxd5 13. cxd5 Ne7 14. Nc3 Kh8
15. Qf3 c6 16. dxc6 bxc6 17. Be3 Nfd5 18. Bd2 Rab8 19. Rab1 exf4 20. Nxd5 Nxd5
21. Bxf4 Rxb2 22. Rxb2 Bxb2 23. Kh1 Be5 24. Bh6 Bg7 25. Bd2 Be5 26. h4 Rg8 27.
Be1 f4 28. Bf2 fxg3 29. Bg1 Nf4 30. d4 Rg4 31. Be3 Rxh4+ 32. Kg1 Qf5 33. dxe5
dxe5 34. Bxf4 exf4 35. Qxc6 Kg7 36. Qc7+ Kg6 37. Qc6+ Kg5 38. Qd5 Rh2 39. Qxf5+
Kxf5 40. Rd1 h5 41. Rd5+ Kg4 42. Bf1 h4 43. Rd7 f3 44. Rg7+ Kf4 45. Rf7+ Ke3
46. Re7+ Kd4 47. Rd7+ Kc5 48. Rd3 *
Position (FEN): 8/p7/8/2k5/7p/3R1pp1/P6r/5BK1 b - - 9 48
Black to move.
Themes: Advanced Pawn Endgame Mate in 1 
Puzzle rating: 865
Best move: f2#