Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bd7 6. c4 dxc4 7. Bxc4 e6 8. Nc3 Be7
9. Nf3 c5 10. dxc5 Bxc5 11. Ne4 Qb6 12. O-O Bc6 13. Nfd2 Nd7 14. Nxc5 Qxc5 15.
Qe2 Nxe5 16. Bb3 Rd8 17. Ne4 Qd4 18. Bc2 Nf6 19. Rd1 Bxe4 20. Rxd4 Nf3+ 21. Kf1
Nxd4 22. Ba4+ b5 23. Bxb5+ Ke7 24. Be3 Nxe2 25. Bc5+ Rd6 26. Kxe2 Rc8 27. Bxd6+
Kxd6 28. Rd1+ Bd5 29. f3 Rc5 30. Bd3 Nd7 31. a3 Ne5 32. b4 Rc7 33. Bb1 Nc4 34.
Ba2 Nxa3 35. Bxd5 exd5 36. Ra1 Rc3 37. Kd2 Nb5 38. Ra6+ Ke5 39. Ra5 Rxf3 40.
Rxb5 Kd4 41. Ra5 Rf2+ 42. Ke1 Rb2 43. Rxa7 Rxb4 44. Rxf7 Ke3 45. Rxg7 *
Position (FEN): 8/6R1/7p/3p4/1r4PP/4k3/8/4K3 b - - 0 45
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 535
Best move: Rb1#