Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bg5 h6 3. Bh4 Nc6 4. e3 Qd6 5. a3 e5 6. Bg3 Qe6 7. dxe5 Nxe5 8. Nc3
Nf6 9. Nf3 Bd6 10. Nd4 Qe7 11. Ndb5 a6 12. Nxd6+ Qxd6 13. Qd4 Nfd7 14. Qxd5 Qe7
15. O-O-O O-O 16. Qe4 c6 17. f4 Ng6 18. Qf3 Nf6 19. h3 Bd7 20. Bd3 Rae8 21.
Bxg6 fxg6 22. Rhe1 Qc5 23. Bf2 Qa5 24. g4 Be6 25. e4 Nh7 26. Qe3 b5 27. Qc5 Qc7
28. f5 gxf5 29. exf5 Bd7 30. Kb1 Rxe1 31. Rxe1 Qh2 32. Bd4 Qxh3 33. Re7 Rf7 34.
Rxf7 Kxf7 35. Qe5 Qxg4 36. Bc5 Qg5 37. Ne4 Qh4 38. Nd6+ Kf8 39. Ne8+ Kg8 *
Position (FEN): 4N1k1/3b2pn/p1p4p/1pB1QP2/7q/P7/1PP5/1K6 w - - 8 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 927
Best move: Qxg7#