Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. Qc2 d6 6. O-O Bg4 7. Ne1 Qd7 8. h3
Be6 9. Na3 Bxc4 10. Nxc4 O-O-O 11. a4 Nh5 12. d3 Nf4 13. Bxf4 exf4 14. b4 g5
15. b5 Ne5 16. Nd2 h5 17. d4 Ng6 18. c4 g4 19. h4 Nxh4 20. a5 Rdg8 21. b6 a6
22. bxc7 Nf3+ 23. gxf3 gxf3+ 24. Kh2 Rg2+ 25. Nxg2 fxg2 26. Kxg2 Qg4+ 27. Kh2
Rg8 28. Qc3 *
Position (FEN): 2k3r1/1pP1bp2/p2p4/P6p/2PPPpq1/2Q5/3N1P1K/R4R2 b - - 4 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1847
Best move: Qg2#