Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d6 5. Nc3 Nf6 6. Nf3 g6 7. Bb5 a6 8. Ba4
b5 9. Bc2 Bg7 10. O-O b4 11. Nd5 Nxd5 12. exd5 Nb8 13. Re1 O-O 14. h3 Nd7 15.
Qe2 Re8 16. Bg5 Nf6 17. Ba4 Bd7 18. Bc6 Ra7 19. Rac1 Qb6 20. Bxf6 Bxf6 21. Qd2
Rc7 22. Bxd7 Rxd7 23. Rc6 Qb5 24. Qh6 a5 25. Ng5 Bxg5 26. Qxg5 a4 27. Rec1 b3
28. a3 Qe2 29. Rc8 Rxc8 30. Rxc8+ Kg7 31. Qc1 Qe4 32. Rc4 Qxd5 33. Rxa4 Rb7 34.
Rc4 Qe4 35. Qc3 d5 36. Rb4 Rxb4 37. axb4 Qc2 38. Qe3 Qxb2 39. Qe5+ Kf8 *
Position (FEN): 5k2/4pp1p/6p1/3pQ3/1P1P4/1p5P/1q3PP1/6K1 w - - 2 40
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1235
Best move: Qh8#