Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 c5 5. Nb3 Bd7 6. Nc3 Nc6 7. Bc4 Nf6 8.
Qf3 Be7 9. Bg5 h6 10. Bh4 g5 11. Bg3 Qc7 12. O-O O-O-O 13. Bd5 Rhf8 14. Rfe1
Be6 15. Nb5 Qb6 16. Nc3 Ne5 17. Bxe5 dxe5 18. Rad1 Bxd5 19. Nxd5 Nxd5 20. Qf5+
Qe6 21. Qxe6+ fxe6 22. exd5 exd5 23. Rxe5 Bf6 24. Rexd5 Bxb2 25. Nxc5 Rxd5 26.
Rxd5 b6 27. Nb3 Rf4 28. g3 Rc4 29. Rd2 Ra4 30. Re2 Rxa2 31. Re6 Bg7 32. Re2 g4
33. Kg2 h5 34. Nc1 Ra1 35. Nd3 Bd4 36. Nf4 Ra5 37. Ne6 Bc3 38. Nf4 Rc5 39. Re8+
Kb7 40. Re7+ Ka6 41. Rh7 Be5 42. Nxh5 Rxc2 43. Nf4 b5 44. Nd5 Ka5 *
Position (FEN): 8/p6R/8/kp1Nb3/6p1/6P1/2r2PKP/8 w - - 2 45
White to move.
Themes:  Endgame Anastasia's Mate, Mate in 1 
Puzzle rating: 637
Best move: Rxa7#