Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nf3 Qa5 4. Be2 Nf6 5. O-O Nc6 6. d4 Bg4 7. h3 Bh5 8.
c3 O-O-O 9. Bg5 e5 10. Nbd2 exd4 11. cxd4 Nxd4 12. Bxf6 Nxe2+ 13. Qxe2 gxf6 14.
Rac1 Bd6 15. Qc4 Rhg8 16. Qh4 Bxf3 17. Nxf3 h5 18. Qxf6 Kb8 19. Rfd1 a6 20. a3
Rg6 21. Qxf7 Rdg8 22. Nh4 Qe5 23. Nxg6 Qh2+ 24. Kf1 Rc8 25. Ne7 Bxe7 26. Qxe7
Qh1+ 27. Ke2 Qxg2 28. Qe3 Rf8 29. Rg1 Qd5 30. Rcd1 Qc4+ 31. Ke1 Qb5 32. Rd2 Re8
33. Rg8 Rxg8 34. Re2 Rd8 35. Kf1 Qc4 36. Kg2 Rg8+ 37. Kh2 Qd5 38. f4 Qd1 39.
Qe5 *
Position (FEN): 1k4r1/1pp5/p7/4Q2p/5P2/P6P/1P2R2K/3q4 b - - 2 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 913
Best move: Qg1#