Disconnected after win. Possible cheater

I was playing UT, I was on hot streak. I won the game 6-4 and immediately after game was over and clicking “Advance”, I get an error saying server disconnected. I had no connection issues period. Everything was working fine and I was online when it went to the main menu. I ended up getting no points and losing my hot streak. Very frustrating. I am thinking that was a cheater or bug in your system. I am kindly requesting to receive points. Why would I be penalized for winning the game and the game was over. Please fix this. It was the last game played. Ended like 5pm PST Oct 20t

I repeat. This is not a connection issue.