Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 Nc6 5. O-O Be7 6. c4 cxd4 7. Nxd4 O-O 8.
Nc3 a6 9. b3 Qb6 10. Be3 Qc7 11. Bf4 e5 12. Nxc6 dxc6 13. Bg5 Bf5 14. Qc1 h6
15. Be3 Rad8 16. Qb2 Ng4 17. Bd2 Ba3 18. Qxa3 Rxd2 19. Rad1 Rfd8 20. Qc1 Qd6
21. h3 Nf6 22. e4 Be6 23. Qb1 Qd4 24. Rxd2 Qxd2 25. Rd1 Qxc3 26. Rxd8+ Kh7 27.
Qd1 b5 28. cxb5 axb5 29. Qd2 Qc5 30. Kh2 Qa7 31. Qb2 Qc5 32. Rd2 Nd7 33. Rc2
Qb6 34. Qc3 c5 35. Qe3 b4 36. Rd2 Qa7 37. f4 exf4 38. gxf4 f6 39. e5 f5 40. Bd5
Qa6 41. Bxe6 Qxe6 42. Rd6 Qe7 43. Qg3 Nf6 44. exf6 Qxd6 *
Position (FEN): 8/6pk/3q1P1p/2p2p2/1p3P2/1P4QP/P6K/8 w - - 0 45
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 725
Best move: Qxg7#