Chess puzzle (Checkmate)
Moves: 1. d4 b5 2. e4 Bb7 3. Bd3 Nf6 4. Ne2 b4 5. O-O Nxe4 6. c3 bxc3 7. bxc3 Nf6 8.
Nd2 e6 9. Rb1 Bc6 10. Ng3 d6 11. Re1 Nbd7 12. Nde4 Nxe4 13. Bxe4 Bxe4 14. Nxe4
d5 15. Ng5 Be7 16. Nh3 Rb8 17. Bf4 Bd6 18. Bxd6 cxd6 19. Qg4 O-O 20. Rb3 Nf6
21. Qg3 Rxb3 22. axb3 Qb6 23. Rb1 a5 24. Qd3 h6 25. f4 Ne4 26. Nf2 f5 27. Nxe4
fxe4 28. Qg3 Qb5 29. Qg6 Qd3 30. Qxe6+ Kh8 31. Rf1 Qxc3 32. Qxd6 Qxd4+ 33. Kh1
Qf6 34. Qxd5 e3 35. Qxa5 e2 36. Re1 Qb2 37. Qb5 Rxf4 38. g3 Rf6 39. Qe8+ Kh7
40. Qe4+ Kh8 41. Rxe2 Qxb3 42. Rc2 Qb1+ 43. Kg2 *
Position (FEN): 7k/6p1/5r1p/8/4Q3/6P1/2R3KP/1q6 b - - 3 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1045
Best move: Qf1#