Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nc3 Bd6 6. Qc2 O-O 7. b3 c5 8. Bb2
Nc6 9. a3 a6 10. Ne2 b5 11. Bd3 h6 12. g4 Nxg4 13. Rg1 Nge5 14. Nxe5 Bxe5 15.
f4 Bxb2 16. Qxb2 f6 17. Be4 Bb7 18. O-O-O Na5 19. Bxb7 Nxb7 20. Ng3 c4 21. Nh5
Rf7 22. Rg6 cxb3 23. Rdg1 Rc7+ 24. Kd1 Qd3 25. Rxg7+ Rxg7 26. Rxg7+ Kh8 27.
Qxf6 *
Position (FEN): r6k/1n4R1/p3pQ1p/1p5N/5P2/Pp1qP3/3P3P/3K4 b - - 0 27
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1585
Best move: Qf1#