I wanna see the full gameplay of some good player playing, i always find some clip but never a full gameplay. I just want to learn the game but idk where to start the study, any help would be appreciated

I was not going to make this post originally because it has happened before with one rank above the grouping. However, Platinum 1 is 2 ranks above what the matchmaking is supposed to match with. How is this fair at all for players trying to...