Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c3 Bf5 5. Nf3 e6 6. a3 Nf6 7. Bb5+ Nc6 8. Ne5
Rc8 9. Qa4 Qb6 10. Nd2 a6 11. Bxc6+ bxc6 12. Nb3 Bc2 13. Qa5 Qxb3 14. Qxa6 Kd8
15. Nxc6+ Rxc6 16. Qxc6 Qc4 17. Qb7 Bd3 18. Bg5 Qc7 19. Bxf6+ gxf6 20. Qa8+ Kd7
21. Kd2 Bc4 22. Qa4+ Qc6 23. Qxc6+ Kxc6 24. b4 Bd6 25. h3 h5 26. a4 Rg8 27. g3
e5 28. a5 exd4 29. Rhe1 dxc3+ 30. Kxc3 Be5+ 31. Kc2 Bxa1 32. Rxa1 Kb7 33. Re1
Rc8 34. Re7+ Rc7 35. Re3 Ka6 36. Kb2 Rb7 37. Ka3 Kb5 38. Rf3 Rd7 39. Rxf6 d4 *
Position (FEN): 8/3r1p2/5R2/Pk5p/1Pbp4/K5PP/5P2/8 w - - 0 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 936
Best move: Rb6#