Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. d4 cxd4 6. Qxd4 Nf6 7. O-O d6 8.
Nc3 g6 9. Qd2 Bg7 10. Qd1 O-O 11. Bd2 Rb8 12. Rb1 Bg4 13. Re1 d5 14. h3 Bxf3
15. Qxf3 dxe4 16. Qe3 Nd5 17. Nxd5 cxd5 18. Bc3 Bxc3 19. Qxc3 Qd6 20. Qd4 Qf6
21. Qxf6 exf6 22. Red1 Rfd8 23. c3 a5 24. b3 Rbc8 25. Rbc1 Kg7 26. Kf1 f5 27.
Ke2 Kf6 28. Ke3 Ke5 29. f4+ exf3 30. Kxf3 h6 31. g3 g5 32. Re1+ Kf6 33. Red1 h5
34. a3 Rb8 35. b4 axb4 36. cxb4 g4+ 37. hxg4 fxg4+ 38. Kg2 Kg5 39. Rc5 f5 40.
Rcxd5 Rxd5 41. Rxd5 Ra8 42. Rd3 h4 43. gxh4+ Kxh4 44. Rb3 f4 45. b5 f3+ 46. Kg1
Kg3 47. b6 Rb8 48. a4 Kf4 49. a5 Rd8 50. Rb1 Kg3 51. b7 f2+ 52. Kf1 Rb8 53. a6
Kf3 54. a7 g3 55. axb8=Q *
Position (FEN): 1Q6/1P6/8/8/8/5kp1/5p2/1R3K2 b - - 0 55
Black to move.
Themes: Advanced Pawn Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1113
Best move: g2#