Chess puzzle (Checkmate)
Moves: 1. c4 f5 2. Nc3 e5 3. d3 Nf6 4. Nf3 d6 5. Bg5 Be7 6. g3 Be6 7. Bg2 Nc6 8. O-O
O-O 9. e3 Ng4 10. Bxe7 Qxe7 11. h3 Nf6 12. Ng5 Qd7 13. Nxe6 Qxe6 14. Nd5 Qd7
15. Nxf6+ Rxf6 16. Qb3 Rb8 17. c5+ Kh8 18. cxd6 Rxd6 19. Rfd1 h6 20. Rac1 Na5
21. Qa3 b6 22. b4 Nc6 23. Qc3 e4 24. d4 Rc8 25. Qa3 a5 26. bxa5 Nxa5 27. Rc3
Rc6 28. Rdc1 Rxc3 29. Rxc3 Nb7 30. f3 Nd6 31. fxe4 Nb5 32. Qa4 fxe4 33. h4 Qd5
34. Rc1 Ra8 35. Qb3 Qf5 36. Rf1 Qd7 37. Bxe4 Re8 38. Bd3 Nd6 39. Bb1 Qg4 40.
Kg2 Qe2+ 41. Rf2 Qxe3 42. Qxe3 Rxe3 *
Position (FEN): 7k/2p3p1/1p1n3p/8/3P3P/4r1P1/P4RK1/1B6 w - - 0 43
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 425
Best move: Rf8#