Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nc3 d5 3. f3 e6 4. e4 c5 5. Bg5 Be7 6. e5 Nfd7 7. Bxe7 Qxe7 8. Bb5
a6 9. Bxd7+ Nxd7 10. Nge2 O-O 11. O-O b5 12. f4 b4 13. Na4 c4 14. f5 Nb8 15. f6
gxf6 16. exf6 Qd6 17. Ng3 Kh8 18. Nc5 e5 19. c3 Rg8 20. cxb4 e4 21. Qh5 Nd7 22.
Nxd7 Bxd7 23. Nf5 Qxf6 24. Nh6 Qxd4+ 25. Kh1 Rg7 26. Nxf7+ Kg8 27. Rad1 Qxb2
28. Qxd5 *
Position (FEN): r5k1/3b1Nrp/p7/3Q4/1Pp1p3/8/Pq4PP/3R1R1K b - - 0 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 683
Best move: Qxg2#