Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. e3 Bf5 4. Nf3 e6 5. Bd3 Ne7 6. O-O Bg4 7. Nc3 Ng6 8. cxd5
exd5 9. e4 dxe4 10. Bxe4 Be7 11. Re1 O-O 12. Qd3 Bf6 13. Be3 Nd7 14. h3 Bxf3
15. Bxf3 Nde5 16. Qe2 Nxf3+ 17. Qxf3 Bxd4 18. Rad1 c5 19. Nb5 Ne5 20. Qxb7 Rb8
21. Qa6 Rb6 22. Qa4 Rg6 23. Kh1 Nc6 24. Nxd4 cxd4 25. Bxd4 Nxd4 26. Rxd4 Qf6
27. Rf1 a6 28. Qb4 h6 29. a4 Rd8 30. Rxd8+ Qxd8 31. Qc3 Qd5 32. Rg1 Rc6 33. Qe3
Rc2 34. b4 Qa2 35. Qe8+ Kh7 36. Qe4+ g6 37. b5 axb5 38. axb5 Rb2 39. Rd1 Rxf2
40. Rd8 Qa1+ 41. Kh2 Qf6 42. Rd7 Kg7 43. Qc6 Qf4+ 44. Kh1 *
Position (FEN): 8/3R1pk1/2Q3pp/1P6/5q2/7P/5rP1/7K b - - 9 44
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 985
Best move: Rf1#