Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 O-O 6. Nc3 d5 7. e3 c6 8.
Qc2 Nbd7 9. Bd3 dxc4 10. Bxc4 b5 11. Bd3 Bb7 12. Ne4 h6 13. O-O Qe7 14. Nxf6+
Nxf6 15. Rfe1 Rac8 16. a4 a6 17. axb5 cxb5 18. Qe2 Rc7 19. Ne5 Nd5 20. Be4 Qh4
21. Qf3 Qe7 22. Rac1 Rfc8 23. Rxc7 Rxc7 24. Qg3 Nf6 25. Bd3 Bd5 26. Ng4 Nh5 27.
Qe5 g6 28. Nxh6+ Kh7 29. Ng4 Rc8 30. Qxh5+ Kg8 31. Nh6+ Kf8 32. Qe5 Ke8 33. e4
Bb7 34. d5 exd5 35. exd5 Qxe5 36. Rxe5+ Kd7 37. Nxf7 Rc1+ 38. Bf1 b4 39. d6 a5
40. Re7+ Kc6 41. d7 Ba6 42. d8=Q *
Position (FEN): 3Q4/4RN2/b1k3p1/p7/1p6/8/1P3PPP/2r2BK1 b - - 0 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1234
Best move: Rxf1#