Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. e3 Nf6 3. c4 e6 4. cxd5 Be7 5. dxe6 Bxe6 6. Nc3 O-O 7. Nf3 b6 8.
Bd3 Nbd7 9. Qc2 c5 10. O-O cxd4 11. Nxd4 Bg4 12. Bf5 Rc8 13. Bxg4 Nxg4 14. h3
Nge5 15. Bd2 Nc5 16. Nf5 Bf6 17. Ng3 Qc7 18. Rac1 Qb7 19. Qf5 Ne6 20. Nge4 Nd7
21. Nd5 Bxb2 22. Rxc8 Rxc8 23. Ne7+ Kh8 24. Nxc8 Qxc8 25. Qxf7 Ndf8 26. Nd6 Qd8
27. Nc4 Bf6 28. Bb4 Nc5 29. Bxc5 bxc5 30. g4 Ng6 31. Kg2 Nh4+ 32. Kg3 Qb8+ 33.
f4 Qa8 34. Rf2 Ng6 35. Nd6 Bh4+ 36. Kh2 Bxf2 37. Qb3 h6 38. Qe6 Qf3 39. Nf5 Nh4
40. Qe8+ Kh7 41. Nxh4 Qg3+ 42. Kh1 *
Position (FEN): 4Q3/p5pk/7p/2p5/5PPN/4P1qP/P4b2/7K b - - 2 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 532
Best move: Qg1#