Just had a game with an AFK teammate in the beginning. I kept opening up the scoreboard and hitting surrender, though it wasn't doing anything. I asked in-chat how it works, and on the THIRD round an enemy told me that you had to type "/remake" and that you could only do it on the second round. Well played sir. But why is that the case? Every other game, including Riot's other title League of Legends has a built in automatic remake system. Very frustrating.