Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. c4 Bg7 3. Nc3 Nh6 4. e4 O-O 5. f3 f5 6. Bd3 d6 7. Nge2 Nf7 8. exf5
gxf5 9. d5 e5 10. dxe6 Bxe6 11. O-O Nc6 12. Nf4 Bd7 13. Qe1 Nce5 14. Be2 c6 15.
Qg3 Kh8 16. Nh5 Rg8 17. Nxg7 Rxg7 18. Qf4 Ng6 19. Qd4 c5 20. Qf2 f4 21. b3 Qf6
22. Bb2 Nge5 23. Rad1 Rag8 24. Ne4 Qg6 25. Nxd6 Bh3 26. Nxf7+ Nxf7 27. Kh1
Bxg2+ 28. Qxg2 *
Position (FEN): 6rk/pp3nrp/6q1/2p5/2P2p2/1P3P2/PB2B1QP/3R1R1K b - - 0 28
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 400
Best move: Qxg2#