Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Nf6 3. d4 Qxd5 4. Nc3 Qa5 5. Nf3 Ne4 6. Bd2 Nxd2 7. Qxd2 Bf5
8. Be2 e6 9. O-O Bb4 10. a3 Bxc3 11. bxc3 Qa4 12. Ra2 Nc6 13. Rb2 b6 14. Bb5
Qxa3 15. Bxc6+ Ke7 16. Bxa8 Qxb2 17. Bc6 a5 18. Ba4 Qa3 19. Bb3 a4 20. Bc4 Rb8
21. Bd3 Qb2 22. Re1 a3 23. Qc1 Qxc3 24. d5 Bxd3 25. cxd3 Qxc1 26. Rxc1 b5 27.
Rxc7+ Kd6 28. Ra7 b4 29. dxe6 fxe6 30. Nd4 b3 31. Rxa3 b2 32. Ra6+ Ke5 33. Nf3+
Kf4 34. Nd2 Ke5 35. Nb1 Rc8 36. Rb6 *
Position (FEN): 2r5/6pp/1R2p3/4k3/8/3P4/1p3PPP/1N4K1 b - - 9 36
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 589
Best move: Rc1#