Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qa5+ 5. Nc3 Nf6 6. Nxc6 bxc6 7. Bd3 e5
8. O-O Be7 9. Bd2 O-O 10. Ne2 Qb6 11. b3 d5 12. Ng3 Bg4 13. Qe1 a5 14. exd5
cxd5 15. Qxe5 Rfe8 16. Qf4 Bd6 17. Qa4 Bb4 18. c3 Bd7 19. Qxd7 Nxd7 20. cxb4
axb4 21. Be3 d4 22. Bf4 Ne5 23. Bxe5 Rxe5 24. Ne4 Rae8 25. Nd2 h6 26. Nc4 Qc6
27. Nxe5 Rxe5 28. Rac1 Qa8 29. Rc4 g6 30. Rxd4 Qxa2 31. Bc4 Kg7 32. Rd7 Rf5 33.
Rb7 Qa8 34. Rxb4 Rg5 35. g3 h5 36. Ra4 Qf3 37. h4 Rf5 38. Ra7 Kh6 39. Re7 f6
40. Re2 g5 41. Re3 Qg4 42. Be6 gxh4 43. Bxf5 Qxf5 44. gxh4 Qg4+ 45. Rg3 Qxh4
46. Kg2 f5 47. Rh1 Qe4+ 48. f3 Qc2+ 49. Kh3 Qxb3 50. Rhg1 f4 51. Rg6+ Kh7 52.
Rg7+ Kh6 *
Position (FEN): 8/6R1/7k/7p/5p2/1q3P1K/8/6R1 w - - 4 53
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1176
Best move: R1g6#