Chess puzzle (Checkmate)
Moves: 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. e3 Be7 5. Ne2 O-O 6. O-O c6 7. d4 dxc4 8. Nd2
b5 9. a4 Nd5 10. axb5 cxb5 11. Nc3 b4 12. Na4 Bb7 13. Nxc4 Nd7 14. Bd2 Rb8 15.
Qe1 Ba6 16. b3 Qc7 17. Nab2 Bxc4 18. Nxc4 N7b6 19. Rc1 Nxc4 20. Rxc4 Qa5 21. e4
Nb6 22. Bxb4 Bxb4 23. Rxb4 Qa3 24. Ra4 Nxa4 25. bxa4 Qxa4 26. Qe3 Rfd8 27. d5
exd5 28. exd5 h6 29. Qe5 Re8 30. Qf5 Rbd8 31. Rc1 Qa5 32. h4 Re1+ 33. Rxe1
Qxe1+ 34. Kh2 Qb4 35. h5 a5 36. Be4 Qd4 37. g4 Re8 38. Qh7+ Kf8 39. d6 Qxe4 *
Position (FEN): 4rk2/5ppQ/3P3p/p6P/4q1P1/8/5P1K/8 w - - 0 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 808
Best move: Qh8#