Build Guide DOTA 2: The Noob's Guide to Raising Your Solo Ranked MMR
Everything you need to know about Dota 2 MMR, how to check it - WIN.gg
Dota 2 Calibration MMR - A Detailed Guide
Every Dota player: "How do I increase my MMR? Which heroes are best to rank up? What are some good tips to play better?"... Meanwhile, this guy... : r/ DotA2
Solution to High Ranked MMR issues and LeaderBoards : r/DotA2