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Calibration sets the MMR you start the season on, so every loss in those first matches costs you rating you then have to win back.
With a Dota 2 Calibration Boost, a high-MMR booster plays your calibration matches to give you the strongest start possible.
Dota 2 boosting services
MMR Boost
Win Boost
Calibration Boost
Low Priority
Unrated Boost
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1 Matches
Calibration Boost
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1 Matches
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Dota 2 season tracker
Patch 7.41f
At the reset: Dota 2 does not reset ranks on a schedule: your MMR and medal carry over from patch to patch. What changes with a big patch is the game itself (heroes, items and map), and rank confidence can move more after long breaks.
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Need something our Dota 2 services don't cover? Tell us what you're after and we'll reply with a price, an ETA and whether we can take it on. You'll find the offer on your dashboard and can order it like any other service.
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Why Choose BoostingXP for Dota 2 Calibration Boosting?
Start Time
5 minutes average
starting time
A calibration boost plays the seeding matches that decide the MMR a new or recalibrating account starts from.
Who it's for: Players setting up an account who would rather not climb out of a low seed.
Calibration matches are the first ranked games Dota uses to set your starting MMR and medal. A calibration boost has them played for you, or with you in party queue.
A low starting rating costs far more games to climb out of than calibration took, which is why the first matches are worth getting right.
Calibration is sold by the match. You choose how many matches to order and your last known rank, from Herald to Divine, and the price per match is set by that rank - higher brackets cost more, because the games are harder to win. Order however many calibration matches your account still has to play.
Every match you order is played, by hand, to win. An exact starting MMR is not promised: Dota decides it from the results of those games, so the outcome has some variance even with a strong record.
Valve keeps ranked matchmaking behind two requirements: a set number of hours played on the account, and a phone number linked to Steam that is not used by another ranked account. An account that has not met both cannot start calibration at all.
If the hours are the problem, the Dota 2 Unrated Boost plays unranked matches toward them without touching your MMR. The phone number has to come from you.
The calculator asks for your last known medal because it sets the price per match and tells the booster which bracket the games will be in. For a recalibration, give the medal you held before. For a brand-new account with no history, choose the lowest option and mention in the order chat that the account has never been ranked.
Once the matches are played, Dota shows your starting medal and MMR. From there you can carry on yourself, or set a target and continue with an MMR boost - the same booster can often pick it up while the account history is fresh.
Dota also keeps a Behavior Score, and abandoning games or collecting reports lowers it. A low score puts the account into worse matchmaking, which makes calibration games harder to win. If you are about to calibrate, avoid abandons and keep the account's recent history clean; if the score is already low, mention it when ordering so the booster knows what to expect.
Choose the region you mean to keep playing in. Calibration sets one MMR for the account, but the server decides the players you meet and the length of the queues, so seeding on your usual server gives a starting point that fits the games that follow.
Everything you need to know about Dota 2 calibration matches with BoostingXP.
Calibration boosting has an experienced player play your first ranked matches, the ones that set the MMR your account starts from, so you start as high as those results allow.
How to gain MMR in Dota 2 solo queue: picking roles and heroes, drafting, playing for objectives after the lane, avoiding tilt and reviewing your games.
Dota 2 MMR and medals explained: every rank from Herald to Immortal, the MMR behind each star, how Rank Confidence works and what moves your rating.
Dota 2 low priority explained: what puts you in it, why only wins count, what it locks, how it affects parties and how to get out of it.
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