Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. d3 d5 6. cxd5 Nb4 7. Nf3 e4 8. dxe4
fxe4 9. Nd4 Nbxd5 10. O-O Nxc3 11. bxc3 Bc5 12. Bg5 Bf5 13. Nxf5 O-O 14. Bxf6
Qxf6 15. Nd4 Kh8 16. Bxe4 Rae8 17. Bxb7 c6 18. e3 Re7 19. Ba6 Qg6 20. Bd3 Qh6
21. Qg4 Re5 22. Nf5 Qf6 23. Nd4 Rg5 24. Qe4 Rh5 25. Kg2 Qh6 26. Rh1 Qf6 27.
Nxc6 *
Position (FEN): 5r1k/p5pp/2N2q2/2b4r/4Q3/2PBP1P1/P4PKP/R6R b - - 0 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 837
Best move: Qxf2#