Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 c5 5. a3 Bxc3 6. Bxc3 Ne4 7. Qc2 Nxc3 8.
Qxc3 cxd4 9. Qxd4 O-O 10. Nf3 Nc6 11. Qc3 b6 12. e3 Bb7 13. Be2 Rc8 14. O-O Na5
15. b3 d5 16. Rfd1 Qc7 17. Qe5 Qxe5 18. Nxe5 f6 19. Ng4 h5 20. b4 Nxc4 21.
Nxf6+ gxf6 22. Bxh5 Kg7 23. Bg4 f5 24. Be2 Kf6 25. a4 Rg8 26. g3 Rc7 27. Rac1
Rgc8 28. Rd4 Nb2 29. Rxc7 Rxc7 30. b5 Nc4 31. Rh4 Ne5 32. f4 Nf7 33. Rh7 Rc1+
34. Kf2 Ra1 35. Bh5 Ra2+ 36. Kg1 Nd6 37. Rd7 d4 38. Rxd6 dxe3 39. Rd7 Bd5 *
Position (FEN): 8/p2R4/1p2pk2/1P1b1p1B/P4P2/4p1P1/r6P/6K1 w - - 2 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 950
Best move: Rf7#