Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d3 a6 6. g3 b5 7. a3 Bb7 8. Bg2
c5 9. O-O Nbd7 10. Bf4 Qb6 11. Re1 e6 12. d4 Be7 13. dxc5 Bxc5 14. Be3 Bxe3 15.
Rxe3 O-O 16. Ne2 Nd5 17. Rd3 Nc5 18. Rd4 Na4 19. b3 Nac3 20. Nxc3 Nxc3 21. Qd3
Rac8 22. Ng5 g6 23. Bxb7 Qxb7 24. Rd7 Qc6 25. Re1 Nd5 26. Ra7 Qb6 27. Rd7 Rc7
28. Rxc7 Nxc7 29. h4 Nd5 30. Ne4 Qd8 31. Rd1 Qe7 32. c4 bxc4 33. bxc4 Nf6 34.
Nd6 Rd8 35. c5 Qa7 36. Qd4 Nd5 37. Qe5 Qxc5 38. Ne4 Qe7 39. Rxd5 Rxd5 40. Nf6+
Kf8 41. Nxd5 exd5 *
Position (FEN): 5k2/4qp1p/p5p1/3pQ3/7P/P5P1/5P2/6K1 w - - 0 42
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1051
Best move: Qh8#