Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 g6 3. d4 Bg7 4. dxc5 Nc6 5. Nf3 Nf6 6. Bd3 O-O 7. O-O b6 8. b4
Bb7 9. Bb2 bxc5 10. bxc5 Qa5 11. c4 Qxc5 12. Nbd2 Ng4 13. Bxg7 Kxg7 14. Rb1 Nb4
15. Qb3 Nxd3 16. Qxd3 Bc6 17. h3 Ne5 18. Nxe5 Qxe5 19. f4 Qc5+ 20. Kh2 Rab8 21.
Nb3 Qa3 22. Qd4+ Kg8 23. Nc5 d6 24. Nd3 Rxb1 25. Rxb1 Qxa2 26. Ra1 Qe2 27. Rxa7
Bxe4 28. Rxe7 *
Position (FEN): 5rk1/4Rp1p/3p2p1/8/2PQbP2/3N3P/4q1PK/8 b - - 0 28
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 650
Best move: Qxg2#