Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. Bc4 Nf6 3. e5 Nh5 4. Qf3 e6 5. d4 Nc6 6. c3 Ng7 7. Nh3 Nf5 8. Bg5
Be7 9. Bf4 g5 10. Bd2 Rg8 11. Qg4 d5 12. Bb5 Bd7 13. f4 a6 14. Bd3 Kf8 15. fxg5
h6 16. Bxf5 exf5 17. Qh5 f4 18. Bxf4 hxg5 19. Bg3 Bf5 20. O-O Bg6 21. Qh6+ Ke8
22. Nd2 g4 23. Nf4 Bg5 24. Qxg6 fxg6 25. Nb3 b6 26. Ne6 Be3+ 27. Kh1 Qe7 28.
Nf4 Rd8 29. Rae1 Bxf4 30. Rxf4 g5 31. Rxg4 Na5 32. Nd2 Nc4 33. Nxc4 dxc4 34. e6
Rd5 35. Rge4 Rf8 36. Be5 Kd8 37. Bg3 Rdf5 38. Kg1 c5 39. dxc5 Qxc5+ 40. R4e3
Qxe3+ 41. Rxe3 *
Position (FEN): 3k1r2/8/pp2P3/5rp1/2p5/2P1R1B1/PP4PP/6K1 b - - 0 41
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 400
Best move: Rf1#