我一直在记录数据，发现基本没啥规矩。

70应该是不准的，我一直有记录，出现过多次连续几轮间隔大于70的情况。

我出金箱后再刷个四十左右胜场，基本保证每天一个金箱子

没有官方的数。但是70的说法差不多。
到了新段位，会重置

我的两百组数据显示平均71 所以60停手等进坑是比较好的选择，但晋段一定重置

我两箱最大间隔161。今天还发现个情况，出金箱了然后发现掉线了，刷新了下箱子没了，重新打了五六箱才重新出金。

Today’s topic is the crate cycle, commanders!
Many players don’t know the probabilities of getting a Legendary Chest, and this thread is for them.
❗️First thing to remember is you cannot get more than one Legendary Chest per cycle. Once you receive it, you can freely win as many matches as needed to finish the cycle and start the new one to again get a chance to claim Legendary Chest.
Each crate cycle contains 70 chests:
1 Legendary Chest (12h)
3 Epic Chests (8h)
10 Big Rare Chests (4h)
56 Rare Chests (2h)
Probabilities of getting a Legendary Chest during one cycle:
1–10 crates: 1.4% – 1.6%
10–20 crates: 1.6% – 2.0%
20–30 crates: 2.0% – 2.5%
30–40 crates: 2.5% – 3.3%
40–50 crates: 3.3% – 5.0%
50–60 crates: 5.0% – 10%
60–70 crates: 10% – 100%
❓️ FAQ: ❓️
How to know when a new crate cycle starts?
– New crate cycle always resets and starts over again after you reach a new league that you didn't encounter before. So the easiest way to start counting crates is to achieve new league.
Why count crates?
– Counting crates helps you know when to keep free chest slots for a potential Legendary jackpot. For example, if you’ve already won 50 matches and have no free slots, you might miss the chance to get a Golden Crate.

來自官方的數據