Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Qe7+ 7. Be2 Qc7 8.
O-O Nf6 9. Re1 Be7 10. dxc5 Bxc5 11. Nb3 Bb6 12. Bb5+ Be6 13. Nbd4 O-O 14. h3
Ne4 15. Be3 Bd7 16. Bf1 a6 17. c3 Rae8 18. Qb3 Nf6 19. Bf4 Nxd4 20. Nxd4 Qxf4
21. Qxb6 Ne4 22. Nf3 Bxh3 23. Qxb7 Bg4 24. Re3 Nc5 25. Qxd5 Rxe3 26. fxe3 Qxe3+
27. Kh2 Qf4+ 28. Kg1 Ne4 29. Qd4 Bxf3 30. gxf3 Qg3+ 31. Bg2 Ng5 32. Qg4 Qe5 33.
f4 Qe3+ 34. Kh1 Ne6 35. Rf1 f5 36. Qf3 Qb6 37. Qd5 Rf6 38. Bh3 Rh6 39. Kg2 Rg6+
40. Kh2 Qxb2+ 41. Kh1 Qxc3 42. Qf3 Qd2 43. Rf2 Qe1+ 44. Kh2 Nxf4 45. Qxf4 *
Position (FEN): 6k1/6pp/p5r1/5p2/5Q2/7B/P4R1K/4q3 b - - 0 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 829
Best move: Qg1#