Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Bd2 Be7 6. Nc3 Bb7 7. Bg2 d5 8. Ne5
Nbd7 9. Bf4 c5 10. cxd5 exd5 11. Qa4 O-O 12. Nxd7 Nxd7 13. Bxd5 cxd4 14. Bxb7
Nc5 15. Qd1 Nxb7 16. Nb5 Bf6 17. Rc1 Qd7 18. a4 Rac8 19. Rxc8 Rxc8 20. O-O Nc5
21. b3 a6 22. Nd6 Rc6 23. Nc4 Ne4 24. Qd3 Nc3 25. e4 Qe6 26. e5 Be7 27. Nd2 Qd5
28. Nf3 h6 29. h4 b5 30. axb5 axb5 31. Rc1 b4 32. g4 Bc5 33. Nd2 Rg6 34. f3 Qe6
35. Kh2 h5 36. gxh5 Rh6 37. Bxh6 Qxh6 38. Kg3 Nd5 39. Rxc5 Qf4+ 40. Kg2 Ne3+
41. Kh3 Nf5 42. Rc8+ Kh7 43. Qe4 *
Position (FEN): 2R5/5ppk/8/4Pn1P/1p1pQq1P/1P3P1K/3N4/8 b - - 8 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1217
Best move: Qg3#