Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. f4 Bf5 5. c4 Nb6 6. Nf3 e6 7. Nc3 dxe5 8. fxe5
Nc6 9. Be3 Bb4 10. Bd3 Bxd3 11. Qxd3 Qe7 12. O-O Bxc3 13. Qxc3 O-O 14. Qd3 Rad8
15. Ng5 g6 16. b3 Nxe5 17. Qe2 Ned7 18. Qf3 f6 19. Nh3 c6 20. Rad1 g5 21. Qh5
Qf7 22. Qg4 Kh8 23. Nxg5 Qg7 24. Qxe6 fxg5 25. d5 c5 26. Rf3 Rde8 27. Qg4 Rxf3
28. Qxf3 Qe7 29. Bd2 Rf8 30. Bc3+ Kg8 31. Qh3 Qe2 32. Rc1 Qf2+ 33. Kh1 Qf1+ 34.
Rxf1 *
Position (FEN): 5rk1/pp1n3p/1n6/2pP2p1/2P5/1PB4Q/P5PP/5R1K b - - 0 34
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 1023
Best move: Rxf1#