Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. d4 d6 5. Bg5 O-O 6. Qd2 Nc6 7. e3 a6 8. Bd3
Rb8 9. O-O Bd7 10. a3 Na5 11. Rad1 c5 12. b4 cxb4 13. axb4 Nc6 14. b5 Na5 15.
bxa6 bxa6 16. c5 dxc5 17. dxc5 Nb3 18. Qc2 Nxc5 19. Ne5 Qc8 20. Nxd7 Ncxd7 21.
Ne4 Qxc2 22. Bxc2 Rb2 23. Ba4 Nxe4 24. Bxe7 Ndc5 25. Bxf8 Bxf8 26. Bc6 h5 27.
h3 Kg7 28. Rc1 Be7 29. Rc4 f5 30. Rfc1 Nd3 31. Ra1 Ndxf2 32. Rxa6 Nd2 33. Rc1
Nfe4 34. Ra7 Kf6 35. Ra6 Kg5 36. Ra7 Bd6 37. Bxe4 Nxe4 38. Ra6 Bg3 39. Rf1 Bf2+
40. Kh2 Bxe3 41. h4+ Kxh4 42. Rxg6 Bf4+ *
Position (FEN): 8/8/6R1/5p1p/4nb1k/8/1r4PK/5R2 w - - 1 43
White to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 689
Best move: Rxf4#