Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. c4 Bg7 3. Nf3 b6 4. e4 Bb7 5. Nc3 Nf6 6. Bd3 O-O 7. O-O Nc6 8. Be3
d6 9. Re1 Ng4 10. Bc2 Nb4 11. Bb3 Nxe3 12. Rxe3 a5 13. a3 Nc6 14. c5 dxc5 15.
dxc5 bxc5 16. Rd3 Qc8 17. Qd2 Ba6 18. Rd7 Nd4 19. Ba4 c6 20. Rxe7 Qd8 21. Qg5
Ne6 22. Qh4 g5 23. Nxg5 Nxg5 24. Qxg5 h6 25. Qxc5 Kh8 26. Rd1 Qc8 27. Rdd7 Qb8
28. b3 Qf4 29. Qe3 Qf6 30. e5 Qg6 31. Qe4 Qg5 32. f4 Qh5 33. Bxc6 Rac8 34. Nb5
Bxb5 35. Bxb5 Rc1+ 36. Bf1 Rcc8 37. Qf3 Qg6 38. f5 Qb6+ 39. Kh1 Rc1 40. f6 Qb5
41. fxg7+ Kh7 42. Qf5+ Kxg7 43. Qf6+ Kg8 44. Kg1 Qc5+ 45. Qf2 Qb5 46. Rb7 Qd3
47. Red7 Qa6 48. Qd2 *
Position (FEN): 5rk1/1R1R1p2/q6p/p3P3/8/PP6/3Q2PP/2r2BK1 b - - 11 48
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 679
Best move: Rxf1#