Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Qf6 6. Be3 d6 7. Nc3 Bd7 8.
Nd5 Qxd4 9. Bxd4 O-O-O 10. Ne3 f6 11. Nf5 Bxf5 12. exf5 Re8+ 13. Be3 Ne7 14.
Bd3 Nd5 15. Kd2 Nxe3 16. fxe3 Re5 17. a4 d5 18. a5 Bc5 19. Rhe1 a6 20. c3 g6
21. b4 Bd6 22. fxg6 hxg6 23. h3 f5 24. Rf1 Rh5 25. Rf3 Re7 26. b5 f4 27. exf4
Rh4 28. bxa6 bxa6 29. Bxa6+ Kb8 30. Bd3 Bxf4+ 31. Kc2 c5 32. g3 Rxh3 33. Bxg6
Be5 34. Re1 Rh2+ 35. Kb3 Rb7+ 36. Ka3 Bd6 37. a6 c4+ 38. Ka4 *
Position (FEN): 1k6/1r6/P2b2B1/3p4/K1p5/2P2RP1/7r/4R3 b - - 1 38
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1024
Best move: Ra2#