[fen]5r1k/p1p2Bpp/8/6Q1/5P1P/7b/PP2q3/3r2K1 w - - 0 1[/fen]
To post a diagram get a PGN viewer and enter the position into it
and post it between the [fen] tags like I have. See above.
Use a simple basic PGN viewer and you will not get any bother at work
with firewalls and bosses.
I would not bother complaing to them. It's probably a one off.
But play your friend again a made up game and see if it happens again.
Maybe they allow a King to be taken on that site.