Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. f4 g6 6. Nf3 d5 7. e5 Bg7 8. O-O e6
9. Nbd2 Nge7 10. Nb3 h5 11. Nbd4 h4 12. Be3 a6 13. Bf2 h3 14. g3 Bd7 15. Qe2
Rc8 16. Rad1 Nxd4 17. Nxd4 Nc6 18. Nf3 Qa5 19. a3 Bf8 20. Kh1 Qc7 21. Be3 Na5
22. Qf2 Nc4 23. Bd4 Bc5 24. g4 Qb6 25. b4 Bxd4 26. Nxd4 Nxa3 27. f5 gxf5 28.
gxf5 Rxc3 29. fxe6 Bxe6 30. Qf6 Rf8 31. Nf5 Bxf5 32. Qxb6 Rxd3 33. Rxd3 Bxd3
34. Rf4 Be4+ 35. Rxe4 dxe4 36. e6 fxe6 37. Qxe6+ Kd8 38. Qd6+ Ke8 39. Qe5+ Kd8
40. Qd4+ Ke8 41. Qxe4+ Kd8 42. Qd4+ Kc8 43. Qc3+ Kb8 44. Qxa3 *
Position (FEN): 1k3r2/1p6/p7/8/1P6/Q6p/7P/7K b - - 0 44
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 512
Best move: Rf1#