Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 d5 3. e3 Nc6 4. c4 Bg4 5. Nbd2 e5 6. dxe5 Nxe5 7. Be2 Nxf3+ 8.
Nxf3 Bb4+ 9. Bd2 Bxd2+ 10. Nxd2 Bxe2 11. Qxe2 O-O 12. O-O Re8 13. cxd5 Nxd5 14.
Nf3 Nf4 15. Qc4 Ne6 16. Rac1 c6 17. Rfd1 Qf6 18. b3 Rad8 19. h3 Ng5 20. Nxg5
Qxg5 21. Qb4 b6 22. Qc4 c5 23. Qe2 h5 24. Qa6 Rxd1+ 25. Rxd1 Re6 26. Qxa7 Rg6
27. Qa8+ Kh7 28. Rd5 *
Position (FEN): Q7/5ppk/1p4r1/2pR2qp/8/1P2P2P/P4PP1/6K1 b - - 4 28
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 840
Best move: Qxg2#