Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 d5 3. Nc3 Nc6 4. Nf3 Bb4 5. Bg5 Nf6 6. e3 h6 7. Bh4 g5 8. Bg3 h5
9. Nxg5 Ng4 10. Nf3 Qf6 11. Bh4 Qg7 12. cxd5 exd5 13. Bb5 Bd7 14. O-O f6 15.
Nxd5 O-O-O 16. h3 Nxe3 17. fxe3 Bxh3 18. Nf4 Bg4 19. a3 Bd6 20. Qd3 Rhg8 21.
Kf2 Bxf4 22. Bxc6 Bxe3+ 23. Qxe3 bxc6 24. Rg1 Rde8 25. Qf4 f5 26. Ne5 Re6 27.
Bg3 Rd6 28. Rac1 Re8 29. Nxc6 Re2+ 30. Kf1 Re4 31. Qd2 Be2+ 32. Kf2 f4 33. Bxf4
Qf7 34. g3 h4 35. Kg2 hxg3 36. Nxa7+ Kd7 37. Bxd6 Qf3+ 38. Kh3 Rh4+ 39. Kxh4 *
Position (FEN): 8/N1pk4/3B4/8/3P3K/P4qp1/1P1Qb3/2R3R1 b - - 0 39
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1731
Best move: Qg4#