Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. Nc3 e5 3. g3 Bc5 4. Bg2 c6 5. d3 O-O 6. e3 d5 7. Nge2 Bg4 8. cxd5
cxd5 9. Qb3 Bb6 10. O-O d4 11. exd4 exd4 12. Bxb7 dxc3 13. Nxc3 Nbd7 14. Bxa8
Qxa8 15. Re1 Bh3 16. Ne4 Nxe4 17. dxe4 Ne5 18. Bf4 Qe8 19. a4 Ng4 20. Re2 Bxf2+
21. Rxf2 Nxf2 22. Kxf2 Qxe4 23. Qf3 Qc2+ 24. Qe2 Qc5+ 25. Be3 Qc6 26. Kg1 Re8
27. Qf2 h6 28. Rc1 Qa8 29. Bxa7 Qb7 30. b4 Qxb4 31. Ra1 Qa5 32. Bb6 Qa8 33. a5
Re6 34. a6 Rxb6 35. a7 Rf6 36. Qc2 Qxa7+ 37. Rxa7 *
Position (FEN): 6k1/R4pp1/5r1p/8/8/6Pb/2Q4P/6K1 b - - 0 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 498
Best move: Rf1#