Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. e3 c5 3. c4 Nf6 4. Nc3 d5 5. Nf3 cxd4 6. exd4 Bb4 7. Bd2 Bxc3 8.
Bxc3 O-O 9. c5 b6 10. b4 bxc5 11. dxc5 Ne4 12. Bb2 Nc6 13. a3 a5 14. b5 Na7 15.
Qd4 f6 16. c6 a4 17. Qxa4 Qd6 18. b6 Qxc6 19. Qa5 Rf7 20. bxa7 Raxa7 21. Qb5
Qc2 22. Qe2 Qc7 23. Nd4 Nc3 24. Qd3 Qe5+ 25. Be2 Na4 26. Nc6 Qxb2 27. Rb1 Qc3+
28. Qxc3 Nxc3 29. Nxa7 Rxa7 30. Ra1 Nxe2 31. Kxe2 Ba6+ 32. Ke3 Rb7 33. Rhb1 Rc7
34. Rc1 Rb7 35. Rab1 Ra7 36. Rb6 Bc4 37. Rc3 Kf7 38. Kd4 e5+ 39. Kc5 Ra5+ 40.
Kb4 Ra7 41. a4 Ke7 42. a5 Kd7 43. Ra3 Kc7 44. Re6 Rb7+ 45. Kc5 *
Position (FEN): 8/1rk3pp/4Rp2/P1Kpp3/2b5/R7/5PPP/8 b - - 6 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 580
Best move: Rb5#