Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 Bd6 4. Bb5 Nge7 5. d5 Nb8 6. Nc3 Ng6 7. O-O Nh4 8.
Kh1 a6 9. Bd3 Be7 10. Be3 d6 11. a4 Bg4 12. b4 h5 13. b5 f6 14. Be2 g5 15. Nd2
Qd7 16. Nc4 Bxe2 17. Nxe2 g4 18. Ng3 Ng6 19. Nf5 Nf4 20. Nd2 h4 21. Qxg4 h3 22.
Bxf4 exf4 23. Qxf4 Bf8 24. c4 Qf7 25. g3 Nd7 26. Rac1 O-O-O 27. bxa6 bxa6 28.
Rb1 Ne5 29. Qe3 Qg6 30. Qa7 Bh6 31. Ne7+ Kd7 32. Nxg6 Nxg6 33. Qxa6 Bxd2 34.
Qb5+ Ke7 35. Rfd1 Bc3 36. f4 Nf8 37. Qc6 Nd7 38. Rb7 Ba5 39. Qa6 Bb6 40. a5 Bf2
41. Qc6 Bc5 42. Rxc7 Rh7 43. e5 fxe5 44. fxe5 Rf7 45. exd6+ Ke8 46. Ra1 Bf2 47.
a6 Rf3 48. a7 Bd4 49. a8=Q Bxa1 50. Qxa1 Kf7 51. Qh8 *
Position (FEN): 3r3Q/2Rn1k2/2QP4/3P4/2P5/5rPp/7P/7K b - - 2 51
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1034
Best move: Rf1#