Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. f4 Bd7 8.
Ndb5 Qb8 9. Bxf6 gxf6 10. Qd2 a6 11. Nd4 b5 12. a3 h5 13. O-O-O Bh6 14. g3 Qc7
15. Kb1 Rc8 16. Bh3 Na5 17. Qd3 Nc4 18. Rhe1 Nxa3+ 19. bxa3 Qxc3 20. Qxc3 Rxc3
21. Kb2 Rc4 22. Rd3 Bg7 23. Kb3 f5 24. c3 fxe4 25. Rxe4 O-O 26. Re2 Rfc8 27.
Rc2 a5 28. Ne2 d5 29. f5 a4+ 30. Kb2 b4 31. axb4 Rxb4+ 32. Kc1 Rb3 33. fxe6
fxe6 34. Nf4 Kf7 35. Nxd5 exd5 36. Bxd7 Rcxc3 37. Rdxc3 Bxc3 38. Bxa4 Ra3 39.
Bc6 *
Position (FEN): 8/5k2/2B5/3p3p/8/r1b3P1/2R4P/2K5 b - - 2 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 657
Best move: Ra1#