Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O Be7 8. f4
b5 9. Bb3 b4 10. e5 bxc3 11. exf6 Bxf6 12. bxc3 O-O 13. Be3 Bb7 14. Bxe6 fxe6
15. Nxe6 Qe7 16. Nxf8 Qxe3+ 17. Kh1 Kxf8 18. Qxd6+ Qe7 19. Qb6 Nc6 20. Rfe1 Qf7
21. Rab1 Rb8 22. Qc5+ Kg8 23. a3 Rc8 24. Qb6 Bxc3 25. Re3 Na5 26. Rxc3 Rxc3 27.
Qxa5 Qd5 28. Qxc3 *
Position (FEN): 6k1/1b4pp/p7/3q4/5P2/P1Q5/2P3PP/1R5K b - - 0 28
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 842
Best move: Qxg2#