Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 Nc6 3. d4 e6 4. Nf3 cxd4 5. cxd4 Qb6 6. Nc3 Bb4 7. a3 Be7 8. Be2
Nh6 9. h3 f5 10. exf5 Nxf5 11. O-O Nfxd4 12. Nxd4 Nxd4 13. Bd3 d5 14. Qh5+ Kd7
15. Be3 Bf6 16. Qf7+ Be7 17. Qxg7 Nf5 18. Qxh8 Nxe3 19. Rfe1 d4 20. fxe3 dxc3
21. Qxc3 Ke8 22. Bxh7 Bd7 23. Bg6+ Kd8 24. Qh8+ Kc7 25. Rac1+ Bc6 26. Qxa8 Qxb2
27. Qxa7 *
Position (FEN): 8/Qpk1b3/2b1p1B1/8/8/P3P2P/1q4P1/2R1R1K1 b - - 0 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 700
Best move: Qxg2#