Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. O-O-O d5 10. exd5 Nxd5 11. Nxd5 Qxd5 12. Nb3 Qe5 13. c3 Be6 14. Bf4 Qf6
15. Bb5 Rfd8 16. Qe3 Ne5 17. Bg5 Qf5 18. Nd4 Rxd4 19. Rxd4 Bxa2 20. Qe4 Qxg5+
21. f4 Qg4 22. Rhd1 Nc6 23. Bxc6 Bxd4 24. Bxb7 Bb1 25. Qxd4 Rb8 26. Qxa7 Rxb7
27. Qxb7 Qf5 28. Qb4 *
Position (FEN): 6k1/4pp1p/6p1/5q2/1Q3P2/2P5/1P4PP/1bKR4 b - - 2 28
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 712
Best move: Qc2#