Chess puzzle (Checkmate)
Moves: 1. d4 d6 2. g3 Bd7 3. Bg2 Nf6 4. Nf3 e6 5. O-O Be7 6. Re1 O-O 7. e4 e5 8. dxe5
Ng4 9. exd6 Bxd6 10. h3 Ne5 11. b3 Qf6 12. Nxe5 Bxe5 13. c3 Rd8 14. Qc2 Nc6 15.
Nd2 Bxc3 16. Rb1 Nd4 17. Qd1 Bxd2 18. Bxd2 Bxh3 19. Bxh3 Nf3+ 20. Kg2 Nxd2 21.
Qc2 Nxb1 22. Rxb1 Rd4 23. Bg4 Rad8 24. Bf3 h5 25. Qxc7 h4 26. gxh4 Qg6+ 27. Kf1
R4d7 28. Qa5 b6 29. h5 Qh6 30. Qf5 Qd2 31. Rd1 Qxd1+ 32. Bxd1 Rxd1+ 33. Kg2
R1d2 34. a4 R2d3 35. Qg5 Re8 36. h6 Kh7 *
Position (FEN): 4r3/p4ppk/1p5P/6Q1/P3P3/1P1r4/5PK1/8 w - - 1 37
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 839
Best move: Qxg7#