Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 h6 5. d3 Nf6 6. Be3 Bb4 7. O-O O-O 8. Nd5
Nxd5 9. exd5 Ne7 10. Nxe5 d6 11. Ng4 Ng6 12. c3 Bc5 13. d4 Bb6 14. Bd3 c6 15.
dxc6 bxc6 16. Qf3 Bb7 17. Qh3 Bc8 18. f3 Nh4 19. Qg3 Bxg4 20. Qxg4 Re8 21. Bxh6
Ng6 22. Bg5 f6 23. Bxg6 fxg5 24. Qh5 Kf8 25. Bxe8 Qxe8 26. Qxg5 Bd8 27. Qf5+
Bf6 28. Rfe1 Qf7 29. Qh7 Rb8 30. Re2 c5 31. Rae1 g6 32. Qxf7+ Kxf7 33. b3 cxd4
34. cxd4 Bxd4+ 35. Kh1 Rb5 36. Re7+ Kf6 37. R1e6+ Kf5 38. g4+ Kf4 39. Rf7+ Kg5
40. Rxd6 Be5 41. h4+ Kxh4 42. Rxg6 Kg3 43. Rh6 Rd5 44. Rh3+ Kxh3 45. Kg1 Bg3
46. Rh7+ Bh4 47. Kf1 Rd2 48. g5 Rxa2 49. g6 Kg3 50. g7 Kxf3 51. Kg1 Bg3 52.
g8=Q *
Position (FEN): 6Q1/p6R/8/8/8/1P3kb1/r7/6K1 b - - 0 52
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1303
Best move: Ra1#