Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. e4 Bg7 3. Nf3 b6 4. Bd3 Bb7 5. O-O d6 6. Bg5 f6 7. Bh4 Nc6 8. c3 g5
9. Bxg5 fxg5 10. Nxg5 Qd7 11. Qh5+ Kd8 12. Nf7+ Kc8 13. Nxh8 Nf6 14. Qf7 Bxh8
15. Bc4 Qe8 16. Qe6+ Qd7 17. Qf7 Qe8 18. Be6+ Kb8 19. Qxe8+ Nxe8 20. f4 Nd8 21.
d5 Nxe6 22. dxe6 Bxe4 23. f5 Nf6 24. Nd2 Kb7 25. b4 Rg8 26. Rf2 Bc6 27. a4 Ne4
28. Nxe4 Bxe4 29. Rc1 Rf8 30. g4 Rg8 31. h3 h5 32. Rf4 Bc6 33. b5 Be8 34. Re4
hxg4 35. Rxg4 Rf8 36. Kg2 Be5 37. Rg5 Bf6 38. Rg4 Bh5 39. Kf3 Rh8 40. c4 Bxg4+
41. Kxg4 Kc8 42. Rh1 Kd8 43. h4 Ke8 44. h5 Kf8 45. h6 Kg8 46. Kh5 Kf8 47. Rg1
Rh7 48. Rg6 Rh8 49. Kg4 Rh7 50. Kf3 Ke8 *
Position (FEN): 4k3/p1p1p2r/1p1pPbRP/1P3P2/P1P5/5K2/8/8 w - - 11 51
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 506
Best move: Rg8#