Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e3 d6 6. Nge2 c5 7. O-O Nc6 8. d4
cxd4 9. exd4 e5 10. d5 Ne7 11. b3 Nd7 12. Bb2 f5 13. Rc1 b6 14. Nb5 Nc5 15. b4
Ne4 16. f3 Nf6 17. Nbc3 g5 18. a3 h5 19. f4 gxf4 20. gxf4 Ng4 21. fxe5 Ne3 22.
Qe1 Nxf1 23. Qxf1 Bxe5 24. Qf3 Qe8 25. Nf4 Rf6 26. Re1 Rh6 27. Ba1 Bd7 28. Nd3
Bd4+ 29. Kh1 Qf8 30. Qg3+ Rg6 31. Qf3 Qg7 32. Nf4 Rg5 33. Ne6 Bxe6 34. dxe6 Rf8
35. Rc1 Ng6 36. Qd5 Nf4 37. Qxd6 Rxg2 38. e7 Rg1+ 39. Rxg1 *
Position (FEN): 5rk1/p3P1q1/1p1Q4/5p1p/1PPb1n2/P1N5/7P/B5RK b - - 0 39
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1017
Best move: Qxg1#