Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Bf5 3. Bf4 Nf6 4. e3 Nc6 5. c4 dxc4 6. Bxc4 e6 7. Nc3 Bb4 8.
Qb3 O-O 9. O-O Bxc3 10. bxc3 Bg4 11. Qxb7 Na5 12. Qb5 Nxc4 13. Qxc4 Bxf3 14.
gxf3 Nh5 15. Bxc7 Qg5+ 16. Bg3 Nxg3 17. hxg3 Rac8 18. Qd3 f5 19. f4 Qg4 20. Kg2
Rf6 21. Rh1 h5 22. Qa6 Rxc3 23. Qxa7 Rh6 24. Qb8+ Kh7 25. Qb2 Rc8 26. a4 h4 27.
a5 Kg6 28. a6 Rch8 29. a7 hxg3 30. Rxh6+ Rxh6 31. fxg3 Qh3+ 32. Kf2 Qh2+ 33.
Kf3 Qh5+ 34. Kg2 Qh3+ 35. Kf3 Qg4+ 36. Kg2 Rh3 37. a8=Q Qxg3+ 38. Kf1 Qxe3 39.
Qe8+ Kh7 40. Ra2 Rh1+ 41. Kg2 Qh3+ 42. Kf2 Rf1+ 43. Ke2 Qf3+ 44. Kd2 Rd1+ 45.
Kc2 *
Position (FEN): 4Q3/6pk/4p3/5p2/3P1P2/5q2/RQK5/3r4 b - - 13 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1146
Best move: Qd3#