Chess puzzle (Checkmate)
Moves: 1. c4 f5 2. Nc3 e6 3. g3 Nf6 4. Bg2 c6 5. e4 fxe4 6. Nxe4 d5 7. cxd5 cxd5 8.
Nxf6+ Qxf6 9. Qh5+ g6 10. Qf3 Nd7 11. Qb3 Bc5 12. Nf3 O-O 13. O-O Ne5 14. d4
Nxf3+ 15. Bxf3 Bxd4 16. Kg2 Bd7 17. Rd1 Bb6 18. Bd2 Bc6 19. Bc3 e5 20. Bxd5+
Kh8 21. Bxc6 Qxf2+ 22. Kh1 bxc6 23. Bxe5+ Rf6 24. Rd6 Kg7 25. Bxf6+ Kh6 26.
Rad1 Be3 27. Bd4 *
Position (FEN): r7/p6p/2pR2pk/8/3B4/1Q2b1P1/PP3q1P/3R3K b - - 4 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1240
Best move: Qf3#