Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. c3 d6 4. Bb5 Bd7 5. Ba4 Nf6 6. Bc2 Be7 7. d4 O-O 8. d5
Nb8 9. c4 h6 10. b4 Re8 11. a4 Bf8 12. b5 Bc8 13. a5 Nbd7 14. Be3 Nh7 15. O-O
Ndf6 16. Nc3 Bg4 17. Qe2 Qd7 18. b6 a6 19. bxc7 Qxc7 20. Bb6 Qc8 21. Bd3 Be7
22. h3 Bd7 23. Nd1 Nh5 24. Be3 Nf4 25. Bxf4 exf4 26. Nh2 Bf6 27. Ra3 Qc5 28.
Ra2 b6 29. axb6 Qxb6 30. Kh1 a5 31. f3 a4 32. Nf2 h5 33. Rb1 Qc7 34. Qd2 Be5
35. Qc2 Reb8 36. Nd1 Rxb1 37. Qxb1 Rb8 38. Qc2 Qa5 39. Nf1 Nf6 40. Nd2 h4 41.
Kh2 Bd4 42. Nb2 Qc5 43. Nxa4 Bxa4 44. Rxa4 Nh5 45. Nf1 Ng3 46. Nxg3 fxg3+ 47.
Kh1 Bg1 48. Qd1 Bh2 49. Ra1 g6 50. f4 Rb2 51. Qf3 Rf2 52. Qg4 Rxg2 53. Ra8+ Kg7
54. Ra1 Qg1+ 55. Rxg1 *
Position (FEN): 8/5pk1/3p2p1/3P4/2P1PPQp/3B2pP/6rb/6RK b - - 0 55
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 424
Best move: Rxg1#