Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. g3 c6 5. Bg2 h6 6. Nc3 Bb4 7. Nd2 O-O 8. O-O
Re8 9. a3 Bxc3 10. bxc3 e5 11. cxd5 cxd5 12. dxe5 Rxe5 13. Nb3 Bg4 14. Nd4 Nc6
15. Re1 Rc8 16. Bf4 Re8 17. h3 Nxd4 18. hxg4 Ne6 19. Qb3 b6 20. Bf3 Nxf4 21.
gxf4 Qc7 22. e3 Ne4 23. Rac1 Qc4 24. Qb2 Rc7 25. Red1 Rec8 26. Rd4 Qc5 27. Bxe4
dxe4 28. Rxe4 Qd5 29. Qb4 Qd7 30. Rd4 Qxg4+ 31. Kf1 Qh5 32. Ke1 Qf3 33. Qb1 h5
34. Qf5 h4 35. Rcd1 g6 36. Qe5 Qc6 37. Rd8+ Rxd8 38. Rxd8+ Kh7 *
Position (FEN): 3R4/p1r2p1k/1pq3p1/4Q3/5P1p/P1P1P3/5P2/4K3 w - - 1 39
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 627
Best move: Qh8#