Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nc3 e6 3. e4 Bb4 4. e5 Nd5 5. Nf3 Nxc3 6. bxc3 Bxc3+ 7. Bd2 Bxa1
8. Qxa1 Nc6 9. Bd3 b6 10. O-O Bb7 11. Be4 d5 12. exd6 Qxd6 13. c4 O-O 14. Rd1
Rad8 15. d5 exd5 16. Bxd5 Rfe8 17. Nh4 Re2 18. Nf5 Qe5 19. Qxe5 Rxe5 20. g4
Rde8 21. Bc3 Re2 22. Nxg7 Rxa2 23. Nxe8 Nd8 24. Bxb7 Nxb7 25. Nf6+ Kf8 26. Bb4+
Kg7 27. Nh5+ Kg8 28. Re1 h6 29. Re8+ Kh7 30. Nf6+ Kg6 31. Bc3 Kg5 32. Rg8+ Kf4
33. Nd5+ Kf3 34. Rf8 Nd6 35. Nxc7 Rxf2 36. Bb4 Rb2 37. Bxd6 *
Position (FEN): 5R2/p1N2p2/1p1B3p/8/2P3P1/5k2/1r5P/6K1 b - - 0 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 535
Best move: Rb1#