Board Game Arena

Every once in a while the configuration of my screen changes so that the game is squeezed onto the left side and the scoring and logs are shown on the right side. I play on a tablet held vertically and this reduces the size of the game board and makes it very difficult to play. When this occurs, I h...

But how do you make that happen without leaving the table? What's the mechanism for ending a game that way?

It looks like that's what is happening. The game ends abruptly, I win, and it says "game conceded

Sometimes when I'm winning the game suddenly ends and it says "game conceded." What triggers that to happen?