Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Bg5 Qd7 8.
Nc3 f6 9. Be3 Ne7 10. O-O Ng6 11. Nd5 Be7 12. Rfe1 O-O 13. Qc4 Kh8 14. b4 Ne5
15. Nxe5 fxe5 16. b5 Bxb5 17. Qb3 Bc6 18. c4 Bxd5 19. cxd5 c6 20. Rad1 cxd5 21.
Rxd5 Rac8 22. Bxa7 Ra8 23. Be3 Qg4 24. f3 Rxf3 25. Rd2 Rff8 26. Qxb7 Qh4 27. g3
Qf6 28. h4 Rab8 29. Qc7 Qe6 30. Rf2 Rfc8 31. Qa5 Qg4 32. Rg2 Ra8 33. Qd5 Rf8
34. Kh2 Bxh4 35. gxh4 Qxh4+ 36. Kg1 Qxe1+ 37. Kh2 Qxe3 38. Qb7 Qf4+ 39. Kg1
Rab8 *
Position (FEN): 1r3r1k/1Q4pp/3p4/4p3/4Pq2/8/P5R1/6K1 w - - 4 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 871
Best move: Qxg7#