Chess puzzle (Checkmate)
Moves: 1. c3 e5 2. g3 Nf6 3. Bg2 Be7 4. e3 d6 5. Ne2 c6 6. d3 Na6 7. Nd2 Bf5 8. Nf3
Nc5 9. e4 Bg4 10. b4 Na6 11. O-O c5 12. b5 Nc7 13. c4 a6 14. b6 Ne6 15. Rb1 Nd7
16. Bd2 a5 17. Qb3 Ra6 18. Qa4 O-O 19. Rb2 Nxb6 20. Rxb6 Qxb6 21. Nc3 Qb4 22.
Qd1 Qb6 23. Qc2 Bxf3 24. Bxf3 Nd4 25. Qd1 Qd8 26. Bg2 b6 27. Nd5 Ra8 28. f4
exf4 29. Bxf4 Rb8 30. e5 dxe5 31. Bxe5 Rb7 32. Be4 f6 33. Nxf6+ Bxf6 34. Bxf6
Rxf6 35. Bxb7 Qe7 36. Rxf6 gxf6 37. Bd5+ Kg7 38. Qg4+ Kf8 *
Position (FEN): 5k2/4q2p/1p3p2/p1pB4/2Pn2Q1/3P2P1/P6P/6K1 w - - 4 39
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 693
Best move: Qg8#