Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Nxe5 Nxe5 5. d4 Ng6 6. e5 Ng8 7. Bc4 Bb4 8.
Qf3 f6 9. exf6 Qxf6 10. Qe2+ Qe7 11. Be3 Nf6 12. O-O Bxc3 13. bxc3 d5 14. Bb5+
c6 15. Bd3 O-O 16. Qd2 Qf7 17. f3 Nh5 18. Rab1 Nhf4 19. Rb3 Nxd3 20. cxd3 Nf4
21. Rfb1 Ng6 22. a4 a6 23. a5 Qc7 24. c4 Qd7 25. Bg5 Qf5 26. h4 h6 27. h5 hxg5
28. hxg6 Rf6 29. Re1 Qxg6 30. Re7 g4 31. f4 Qh5 32. Qe2 Rxf4 33. Re8+ Rf8 34.
Re7 Qh4 35. Qe5 Qf2+ 36. Kh1 Rf6 37. Re8+ Kh7 38. Qg5 g3 39. Rb1 Qf1+ 40. Rxf1
*
Position (FEN): r1b1R3/1p4pk/p1p2r2/P2p2Q1/2PP4/3P2p1/6P1/5R1K b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 619
Best move: Rxf1#