Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. b3
Nf5 9. Bb2 Bb4+ 10. Kf1 O-O 11. g3 Bd7 12. Kg2 Rac8 13. a3 Be7 14. b4 a6 15. g4
Nh6 16. Nc3 Nxg4 17. Na4 Qd8 18. Nc5 Bxc5 19. bxc5 Na5 20. Qb1 Nc4 21. Bc1 Bb5
22. Ng5 f5 23. exf6 Nxf6 24. Nxe6 Qe7 25. Bxc4 Bxc4 26. Nxf8 Rxf8 27. Bg5 Qe2
28. Qe1 *
Position (FEN): 5rk1/1p4pp/p4n2/2Pp2B1/2bP4/P7/4qPKP/R3Q2R b - - 3 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1070
Best move: Qg4#