Chess puzzle (Checkmate)
Moves: 1. f4 c5 2. Nf3 Nc6 3. e3 Nf6 4. d4 cxd4 5. exd4 d5 6. c3 Bg4 7. Bd3 e6 8. O-O
Be7 9. Nbd2 O-O 10. Qe1 Bxf3 11. Rxf3 g6 12. Rh3 h5 13. Nf3 Ng4 14. Ne5 Ncxe5
15. fxe5 Bg5 16. Qe2 Bxc1 17. Rxc1 Qg5 18. Rf1 Kg7 19. Rg3 f5 20. exf6+ Rxf6
21. Rxf6 Qxf6 22. Rf3 Qh4 23. h3 Nf6 24. Qe5 Rf8 25. Kh2 Kh6 26. Qxe6 Ng4+ 27.
Kg1 Rxf3 *
Position (FEN): 8/pp6/4Q1pk/3p3p/3P2nq/2PB1r1P/PP4P1/6K1 w - - 0 28
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 663
Best move: Qxg6#