Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. Bf4 Nc6 5. e3 Bf5 6. Bxc4 e6 7. Nf3 Bb4 8. a3
Bxc3+ 9. bxc3 Ne4 10. Qb3 O-O 11. Qxb7 Na5 12. Qa6 Nxc4 13. Qxc4 Rb8 14. O-O c5
15. Bxb8 Qxb8 16. Ne5 Nd2 17. Qe2 Nxf1 18. Nd7 Ng3 19. hxg3 Qd8 20. Nxf8 Kxf8
21. Ra2 cxd4 22. cxd4 g5 23. a4 Kg7 24. a5 Kg6 25. a6 h5 26. e4 Bg4 27. f3 f5
28. fxg4 hxg4 29. exf5+ exf5 30. Qd2 Qd6 31. Kh2 f4 32. gxf4 gxf4 33. Kg1 Kh5
34. Ra5+ Kh4 35. Qe1+ g3 36. Qe5 Qh6 37. Qe7+ Kg4 38. Qd7+ Kh4 39. Qd8+ Kg4 40.
Qg8+ Kh4 41. d5 Qb6+ 42. Kf1 *
Position (FEN): 6Q1/p7/Pq6/R2P4/5p1k/6p1/6P1/5K2 b - - 2 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1245
Best move: Qf2#