Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c3 d5 3. Nd2 e6 4. Ngf3 c5 5. Qc2 h6 6. e4 dxe4 7. Nxe4 Nxe4 8.
Qxe4 cxd4 9. Nxd4 Bc5 10. Nf3 Qb6 11. Qh4 Nc6 12. Be2 Bd7 13. O-O Be7 14. Qg3
O-O-O 15. Qxg7 Rhg8 16. Qxf7 Rdf8 17. Qh7 Rh8 18. Qc2 e5 19. a4 a5 20. Bb5 Rhg8
21. Kh1 Rxf3 22. gxf3 Bh3 23. Be3 Qc7 24. Rg1 Qd8 25. Rxg8 Qxg8 26. Rg1 Qf7 27.
Bxc6 bxc6 28. Qe4 Qe6 29. Rg3 Bf5 30. Rg8+ Kd7 31. Ra8 Bxe4 32. fxe4 Bd6 33.
Rxa5 Qb3 34. Ra7+ Ke6 35. Rh7 Qxb2 36. Rxh6+ Kd7 37. Rh7+ Kc8 38. Rh8+ Kb7 39.
Rh7+ Ka6 *
Position (FEN): 8/7R/k1pb4/4p3/P3P3/2P1B3/1q3P1P/7K w - - 7 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 513
Best move: Ra7#