Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 d6 5. Bxc6+ bxc6 6. d4 h6 7. dxe5 dxe5 8.
Qxd8+ Kxd8 9. Nxe5 Ke8 10. Nxc6 Bb7 11. Na5 Bxe4 12. Nxe4 Nxe4 13. O-O Bb4 14.
Nc6 Bc5 15. b4 Bb6 16. c4 Kd7 17. Ne5+ Ke6 18. Nxf7 Kxf7 19. c5 Bxc5 20. bxc5
Nxc5 21. Bb2 Rad8 22. Rac1 Ne6 23. Be5 c5 24. Rc4 Rd2 25. Ra4 Ra8 26. Rb1 Nd4
27. Bxd4 Rxd4 28. Rb7+ Ke6 29. Rxd4 cxd4 30. Rxg7 d3 31. Kf1 Rc8 32. Ke1 Rc2
33. a4 a5 34. Rg6+ Kf7 35. Rxh6 Re2+ 36. Kf1 Ra2 37. Rh4 *
Position (FEN): 8/5k2/8/p7/P6R/3p4/r4PPP/5K2 b - - 4 37
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1396
Best move: Ra1#