Matchmaking Rating (MMR) is really just made of two numbers: Rank and Rank Confidence. Your Rank is an estimate of your skill, and your Rank Confidence is our confidence in that estimate. When you play a match,
Once you have completed your initial placement, you can start grinding away. If you win and lose an equal number of games, you should theoretically maintain your current MMR rank. If you find yourself winning several games in a row, your MMR rating will begin to climb. If you lose several...