Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. d4 Nf6 3. Bf4 c6 4. e3 g6 5. c4 Bg7 6. Nc3 O-O 7. Be2 dxc4 8. Bxc4
Bg4 9. h3 Bxf3 10. Qxf3 Nbd7 11. O-O Qa5 12. Rab1 e5 13. dxe5 Nxe5 14. Bxe5
Qxe5 15. Rfd1 Rad8 16. Rxd8 Rxd8 17. Rd1 Qe7 18. a3 Rxd1+ 19. Qxd1 Qd7 20. Qb3
Ne8 21. Ne4 Kf8 22. Qb4+ Qe7 23. Nc5 Nd6 24. Bd3 Ke8 25. b3 b6 26. Na6 Nb7 27.
Qa4 Qd7 28. Be4 Nd8 29. Nb8 Qd1+ 30. Kh2 Be5+ 31. f4 Bxb8 32. Bxc6+ Ke7 33.
Qe4+ Ne6 34. Bd5 Qd2 35. Bxe6 fxe6 36. Qb7+ Kf6 37. Qxb8 Qxe3 *
Position (FEN): 1Q6/p6p/1p2pkp1/8/5P2/PP2q2P/6PK/8 w - - 0 38
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1069
Best move: Qf8#