Hey Goga,
Super late reply, but here it is :)
The current matchmaking system is not very reliable. I've personally gone on repeating 8 game win streaks followed by 5 game losing streaks. In my honest opinion, with the current matchmaker the games are heavily decided by the weakest player on your team. If that player is just new to the game or just does not know the general strategies for each map and the game over all (e.g., when to group, watching out for ganks) then you are at a...
Posted: Nov 24, 2015