Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nh3 O-O 6. d5 d6 7. Nc3 Na6 8. O-O
Qe8 9. Nf4 c6 10. h4 Bd7 11. Rb1 Nc5 12. b4 Nce4 13. Nxe4 Nxe4 14. Rb3 cxd5 15.
cxd5 Ba4 16. Ne6 Bxb3 17. Qxb3 Qb5 18. e3 Bf6 19. Nc7 Qe2 20. Nxa8 Rxa8 21.
Bxe4 fxe4 22. b5 Rc8 23. Qa4 Qc4 24. Qxa7 Qxb5 25. Qa3 Qxd5 26. Bb2 Bxb2 27.
Qxb2 b5 28. Rb1 Qd3 29. Qb4 Rc4 30. Qb2 Rc2 31. Qb4 Rxa2 32. Rf1 Qc4 33. Qb1 b4
34. Rc1 Qe2 35. Rf1 Qc4 36. Rc1 Qf7 37. Rf1 b3 38. Qxe4 b2 39. Qb4 h6 40. Rb1
Kh7 41. Rxb2 Ra1+ 42. Rb1 Rxb1+ 43. Qxb1 Qd5 44. Qc2 h5 45. Qc3 Kh6 *
Position (FEN): 8/4p3/3p2pk/3q3p/7P/2Q1P1P1/5P2/6K1 w - - 2 46
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 521
Best move: Qh8#