Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bc5 5. d3 O-O 6. Bg5 h6 7. Bh4 Be7 8. h3
d5 9. exd5 Nxd5 10. Bxe7 Ndxe7 11. Qd2 Nf5 12. O-O-O Nfd4 13. Nxd4 Nxd4 14. a3
a6 15. h4 b5 16. Ba2 c5 17. Ne4 Qc7 18. c3 Be6 19. Bxe6 Nxe6 20. g3 Rfd8 21.
Qe2 b4 22. axb4 cxb4 23. Kd2 bxc3+ 24. Nxc3 Nd4 25. Qe4 f5 26. Qg2 e4 27. Ke1
exd3 28. Rxd3 Nc2+ 29. Kf1 Rxd3 30. Qxa8+ Rd8 31. Qxa6 f4 32. Qg6 Qb7 33. Qe4
Qxb2 34. Ne2 fxg3 35. Nxg3 Nd4 36. Kg2 Rf8 37. Rf1 Nf3 38. Qg4 Qf6 39. Nh5 Qf5
*
Position (FEN): 5rk1/6p1/7p/5q1N/6QP/5n2/5PK1/5R2 w - - 9 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 870
Best move: Qxg7#