I've continued to play chess online, and again after doing some of the training puzzles I took to another rated game... and this is where I find myself...
The chap has fallen into my trap with the knights and queens, he had the upper hand on the left, but then I had the two knights defence and he fell into this position.
All he can do is move the knight to block the my Queen (blue line) and then I move my Queen (red arrow) and we have check-mate.
However, he's not moving... I don't know if he's left, or quit, or just wants to let the time roll down, but I'll just keep giving him 15 seconds to stop him trying to time the game out. So this is maybe another toxic player from the community.