Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 O-O 7. c5 c6 8. Bd3
a5 9. a3 b5 10. b4 a4 11. O-O Qc7 12. Bf4 Qd8 13. Ne5 Nxe5 14. Bxe5 Ne8 15. Qh5
g6 16. Qh6 Bf6 17. f4 Bg7 18. Bxg7 Nxg7 19. Rf3 e5 20. fxe5 Bf5 21. Bxf5 Nxf5
22. Qf4 f6 23. g4 fxe5 24. Qxe5 Re8 25. Qf4 Nh4 26. Rh3 g5 27. Qg3 Qf6 28. Rf1
Qg6 29. Qf2 Rf8 30. Qe2 Rxf1+ 31. Qxf1 Rf8 32. Qe2 h6 33. e4 Qf6 34. exd5 Qxd4+
35. Qe3 Qc4 36. d6 *
Position (FEN): 5rk1/8/2pP3p/1pP3p1/pPq3Pn/P1N1Q2R/7P/6K1 b - - 0 36
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1109
Best move: Rf1#