Chess puzzle (Checkmate)
Moves: 1. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 d6 7. d4 Nbd7 8. O-O
e5 9. Re1 e4 10. f3 exf3 11. Bxf3 Ng4 12. Nf4 Nb6 13. b3 Re8 14. Bd2 c6 15. d5
c5 16. Rb1 Ne5 17. Bg2 Nd3 18. Nxd3 Nd7 19. Nb5 Nf6 20. Nf4 a6 21. Nc3 Bd7 22.
e4 Ng4 23. h3 Ne5 24. exf5 Bxf5 25. g4 Bxb1 26. Qxb1 Qf6 27. Ne4 Qf8 28. Rf1
Qe7 29. Ne6 Rac8 30. Bg5 Qd7 31. Bh6 Bh8 32. Qd1 b5 33. cxb5 axb5 34. a4 bxa4
35. bxa4 Ra8 36. Nf6+ Bxf6 37. Rxf6 Rxa4 38. Ng7 Rd4 39. Nxe8 Rxd1+ 40. Kh2 Rd2
*
Position (FEN): 4N1k1/3q3p/3p1RpB/2pPn3/6P1/7P/3r2BK/8 w - - 2 41
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 867
Best move: Rf8#