Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4
Nbd7 9. Be2 b6 10. O-O Bb7 11. Qd3 Rc8 12. Nd2 Be7 13. Rfd1 O-O 14. Nc4 Rfd8
15. b4 d5 16. Nxd5 Bxd5 17. exd5 Qb7 18. d6 Bf8 19. a5 b5 20. Nb2 Nb8 21. Bc5
Nbd7 22. Qe3 Ne4 23. Bf3 f5 24. Nd3 Kh8 25. Rac1 Re8 26. c4 Ndf6 27. cxb5 Qxb5
28. Bxe4 fxe4 29. Nb2 Red8 30. Nc4 Qe8 31. Nb6 Rc6 32. Qe2 Bxd6 33. Bxd6 Rcxd6
34. Rxd6 Rxd6 35. Qxa6 Rd8 36. Rc8 Ng8 37. Qa8 *
Position (FEN): Q1Rrq1nk/6pp/1N6/P3p3/1P2p3/8/5PPP/6K1 b - - 4 37
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 918
Best move: Rd1#