Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. e3 Bg4 7. Bd3 e6 8. Qa4
Qc7 9. Bd2 Bxf3 10. gxf3 Rc8 11. f4 Bd6 12. a3 a6 13. Rc1 O-O 14. Bb1 Qe7 15.
Rg1 Kh8 16. Qc2 g6 17. Qd3 Na5 18. Ba2 Nc4 19. Rc2 b5 20. Bc1 Qb7 21. Qe2 b4
22. axb4 Bxb4 23. Kf1 Bxc3 24. Rxc3 Ne4 25. Rb3 Qe7 26. f3 Ned6 27. Kg2 Nf5 28.
Kh1 Qh4 29. Rg4 Qh3 30. Rc3 h5 31. Rg5 Kh7 32. Bb1 Ncd6 33. Rc5 f6 34. Rg1 Rfe8
35. Qg2 Qxg2+ 36. Kxg2 Rxc5 37. dxc5 Nc4 38. Kf2 Rc8 39. b4 a5 40. e4 Ne7 41.
bxa5 Rxc5 42. a6 Ra5 43. exd5 exd5 44. Re1 Nf5 45. Bxf5 gxf5 46. Re6 Kg6 47.
Be3 h4 48. Bd4 Ra2+ 49. Ke1 Nd2 50. Rxf6+ Kh7 51. Bb6 Nxf3+ 52. Kd1 d4 53. a7
d3 54. Rf8 *
Position (FEN): 5R2/P6k/1B6/5p2/5P1p/3p1n2/r6P/3K4 b - - 1 54
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1369
Best move: Ra1#