In my loong experience its only on full speed you this big uncertainty. Also a bit with rocks cross

I was not "out of the room. I pressed "do not disturb" and then I waited for the time out to finish 

I took a time out, and then I am disqualified it looks ? My rating turned yellow, and I get no more

Yes, he can win, when he quits. Because he only loses 2 points per end left. So if for instance he i

I can say this is not true. I tried being a supporter, but mostly not. My precision is very fine.