Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Bc5 3. c3 d6 4. d4 exd4 5. cxd4 Bb6 6. Nc3 Nf6 7. Bg5 h6 8. Bh4
c6 9. Nge2 O-O 10. O-O Nbd7 11. Bb3 Qe8 12. Bc2 d5 13. e5 Nh7 14. Qd3 g6 15.
Nf4 Ng5 16. Rae1 Ne6 17. Nxe6 Qxe6 18. Kh1 Re8 19. f4 Nf8 20. Qe3 Qg4 21. Bf6
Nd7 22. h3 Qe6 23. f5 Qxf6 24. fxg6 Rxe5 25. gxf7+ Kf8 26. Qg3 Rxe1 27. Qg8+
Ke7 28. Qe8+ Kd6 29. Rxe1 Bxd4 30. Ne2 Bxb2 31. Ng3 Kc7 32. Rf1 Qe5 33. Qg8 Qg7
34. f8=Q Nxf8 35. Qxf8 Qxf8 36. Rxf8 b5 37. Rf7+ Kb6 38. Rh7 Bc1 39. Ne2 Bd2
40. Nd4 Be3 41. Nf3 d4 42. Ne5 Be6 43. Be4 Bd5 44. Nd7+ Ka5 45. Bf5 Rg8 46. Bg4
Be4 47. Re7 Bd5 48. Nf6 Rg5 49. h4 Rg6 50. Kh2 h5 51. Nxd5 Rxg4 *
Position (FEN): 8/p3R3/2p5/kp1N3p/3p2rP/4b3/P5PK/8 w - - 0 52
White to move.
Themes:  Endgame Anastasia's Mate, Mate in 1 
Puzzle rating: 924
Best move: Rxa7#