Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. d4 c5 3. dxc5 Nc6 4. a3 a5 5. e3 e5 6. Bb5 Bg4 7. h3 Bxf3 8. Qxf3
Bxc5 9. Nc3 Nf6 10. Bd2 O-O 11. Na4 Ba7 12. O-O d4 13. Bxc6 bxc6 14. Qxc6 dxe3
15. Bxe3 Bxe3 16. fxe3 Rc8 17. Qb5 Rxc2 18. Qxe5 Qd2 19. Qg3 Nd5 20. Rae1 Re8
21. e4 Nf6 22. e5 Nh5 23. Qf3 Nf4 24. Qxf4 *
Position (FEN): 4r1k1/5ppp/8/p3P3/N4Q2/P6P/1Prq2P1/4RRK1 b - - 0 24
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 867
Best move: Qxg2#