An advanced mid lane matchup replay analysis by Cookie - QoP vs Arc Warden.
Rijad originally calibrated at 1k MMR when playing with a friend. When his friend quit Dota, he decided to git gud and in 1.5 years he was able to reach 5k MMR. Nowadays he is 6k and spends a lot of time making guides and educational streams on Youtube and Twitch.
If you like his content, make sure to support him!
Qojqva's extensive guide to Queen of Pain. Inside you can find everything you need to dominate the game with QoP (updated for 7.20):