Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 Bd6 5. Bg5 Nf6 6. e3 Nbd7 7. Bd3 h6 8. Bh4
O-O 9. O-O Qe8 10. Re1 Nh7 11. e4 dxe4 12. Nxe4 Bc7 13. Ng3 Bd8 14. Bxd8 Qxd8
15. Ne5 Nhf6 16. Qf3 Nxe5 17. dxe5 Ne8 18. Re4 f5 19. exf6 Nxf6 20. Rf4 e5 21.
Rd1 Qe7 22. Rh4 Ng4 23. Nf5 Bxf5 24. Bxf5 Qxh4 25. Be6+ Kh8 26. Qxg4 Qxf2+ 27.
Kh1 Qf1+ 28. Rxf1 *
Position (FEN): r4r1k/pp4p1/2p1B2p/4p3/2P3Q1/8/PP4PP/5R1K b - - 0 28
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 972
Best move: Rxf1#