How MM works——论分房

Source:http://ftr.wot-news.com/2013/12/09/how-mm-works/
以及

http://ftr.wot-news.com/2013/12/10/matchmaker-video-wargaming-update/ 

Source: wargaming.livejournal.com/845.html
真·来源↗

前言:WG官方的MM视频,土豆链接如下。点我
提供视频1080P原文件下载一份。百度盘,点我
视频源来自Youtube,字幕源为WG官方提供的字幕,时间轴出现偏差也是官方本身的问题。
视频@Wargaming NA
字幕@Wargaming NA
校对/后期/简化/润色/压制:xml

Hello everyone,
大家嚎
 

well, for once, this is something noone else seems to have, if I see it correctly 🙂 The link above leads to the new Wargaming LJ blog (in Russian of course). How do I know it’s legit? Because Cannoneer (WG RU developer) sent me a link (so credits go to him).
呃,我没看错的话,这个是一篇独家的稿子o(*≧▽≦)ツ 上述链接会把你链接到新的WG的LJ博客(当然,毛文的) 。我怎么知道这篇文章没问题的?因为Cannoneer(WG毛服的开发人员)发给我一个链接(所以还是要夸一下他的)

So, you’ve seen the MM video, right? If you haven’t, you should, because this post refers to it. In order to repeat what was in the video though:
所以,你看过那个分房的视频了,是吧?如果你还没有,你应该去看一下,因为这个帖子和那篇文章的关系还是很大的。 

– there is a possibility of the MM to create non-standard teams. The amount of such battles should not exceed 5 percent from the sum of all battles, but in concrete situatios this number can vary in accordance with the theory of probability. For example, if you played 10 battles with IS-3 in a row and in 3 of these battles you encountered a breach of the “first 5 slots” rule (tiers of top 5 vehicles were not equal), it’s not a MM error and it most likely won’t repeat itself in next 10 battles.
MM是有可能会创造非标准的队伍的。这样的战斗的数量不应超过总战斗数量的5%,但是由于各种情况,这个数字的实际值可能会有偏差。举个栗子,如果你连续开了10场IS-3, 你所进入的其中三场战斗都没有遵守“5个顶级车”这个规则(分房最上面5辆车的等级需要保持一致),这并不是MM出现了问题,而且它在接下来的10场战斗中很有可能无法自我修复。

– the MM tries to align the team composition with the current state of queue, so that in cases, where the team composition is non-standard, the template for selection of tanks into teams can be significantly different from the default template (used when the server is started) (SS: if you remember the video, it is stated there that “weird” battles happen for example shortly after server restart, but in fact before the templates, based on the queue are formed, the server uses a “default” template for team building). Statistics of played battles does influence the default template from the first minutes and as soon as in 30 minutes, the template corresponds to the current composition of the queue and “keeps track” of the changes in it. For example, on the test server the queue might be filled with vehicles of one type the player joing the queue with and it’s possible to notice that there are more and more of these “popular” tanks and their waiting time gets lower and lower.
MM会试图根据现在排队的状况来调整队伍的阵容,所以会有非标准队伍出现的情况,而且所选用的模板和默认的模板也很不一样(默认模板是服务器刚启动的时候的模板) (SS:如果你还记得那个视频的话,视频中表示“奇葩”的战斗都是在服务器刚重启之后发生的,但是这个是在MM创造自己的模板之前,基于排队状况而使用“默认”模板来创建不同的队伍的)。过去的战斗的数据的确会从第一分钟就开始影响“默认”模板。直到第30分钟时,模板会与现在的队伍分配保持一致,并且“持续监视”排队队伍的动向。举个栗子,在测试服上,排队的队伍有可能都被某种特定的车型塞满了,而且你有可能会注意到这些“热门”坦克的数量会越来越多(指队伍当中的)而且他们(热门车辆的)等待时间也越来越短。

If the vehicle stands in queue for more than one minute, the matchmaker tries harder to push it into battle, reducing the team composition requirements. But there are 30 vehicles entering the battle (2 teams with 15 players), so even if you wait less than one minute, you can still get into the battle, in which the team is composed in order to push the long waiting player in.
如果一辆车在队列中等待时间超过1分钟,MM就会更加努力在降低双方队伍差距的需求时把它塞进一场战斗。但是每场战斗都是由30辆车组成的(2队,每队15人),所以就算你等待时间不超过1分钟,你也是可以参加那些由服务器组建而成的队伍以让那些等待时间过长的玩家也加入战斗。

There is one more reason for the appearance of non-standard teams: platoons. If the platoon consists of vehicles of one type (for example three tier 7 heavies), the MM easily picks a team for such a platoon. And if the platoon is a “trollplatoon” consisting of one tier 10 and one tier 2 tank? The MM can correctly handle even this situation, but the composition of both teams will likely be non-standard. And there is one more type of platoons, for which the MM can make non-standard teams: platoons that have artillery or scouts in them. These classes of vehicles have their own MM rules and platoons with them should not break the MM rules.
还有另外一个会造成非常规队伍出现的原因:组队。如果组队中只包含一种车辆(例如7级重坦),MM会很快的给这个组队挑选一个合适的队伍。如果组队是那种“大车带小车”,一辆10级车带一个2级车怎么办呢?MM也可以搞定这个问题,但是两队的队伍分配就有可能不是标准的队伍了。还有另外一种MM可以搞出一些非常规队伍的组队来,那就是火炮和侦察车。这些类别的车辆的MM规则是特有的,与他们组队应该不会破坏MM的规则。

While collecting the team for the battle, the MM fills empty slots in it while moving gradually from slot 1 to slot 15, skipping those that have already been filled. At the same time it keeps an eye on the queue and from the queue the vehicle, whose MM weight is closest to the one assigned to the empty slot is picked. But even if the MM weight of the vehicle differs from the one of the slot, the slot is filled with it and the MM weights of unoccupied slots are adjusted so that the sum of the team MM weight doesn’t differ by more than 10 percent (20 percent in case there is a player in the queue, waiting for more than three minutes). This explains the cases where the teams have a significantly weaker tank on the last slot of the team: the MM corrected the MM weights of the slots several times and the last unoccupied slot proved to be the hardest to fill.
在收集组队数据的同时,MM逐渐的把队伍中从1号位至15号位中空白的位置填满,跳过那些已经有了车辆的位置。与此同时它也会监视排队中的车辆,并且从正在排队的车辆中把MM权重离这个位置所需要的权重相差最小的车辆塞进这些空位。但是就算MM权重离这个位置所需要的权重不同,队伍中剩下的权重也会做出调整以让两个队伍的权重总量相差不超过10%(如果队列中有玩家等待时间超过3分钟的话,这个数字将会是20%)。这就解释了为什么有时候一个队伍垫底的车辆是那种特别特别弱的小车:MM会多次矫正所有位置上的权重数据,并且已经证明了最后一个没被填上的位置是最不好填的。

Slots of both commands are filled in sync, from slot 1 to slot 15. “Rearranging” of 30 already picked vehicles in order to ensure the equality of compositions does not happen, so even if one team has a group of vehicles of the same type and the other doesn’t, when the other MM conditions are met, such teams are sent to battle. When filling the empty slots in teams starting from 6th slot, the MM does not crosscheck the type and tier of the vehicle against the slot with the same number on other team, so it makes no sense to compare “pair to pair” both teams in battle from 6th place onwards. But even in first 5 slots the rule of “equal pairing” can be cancelled, if there are long-waiting vehicles in the queue.
两个队伍是同步以1~15号位的顺序填上的。MM会“打乱”30辆已经被选好的车辆,以防止队伍两边的车辆完全一致的情况不会发生,所以就算一个队伍有一批同样车型的车辆,而另一边没有,当他们的MM状况一致的时候,这些队伍就会加入战斗。当从6号位开始向队伍中塞车时,MM不会反复核对对面队伍的同样位置上的坦克的车型和等级,所以从每个队伍的6号位开始再把坦克放在一起做横向比对就没有意义了。但是假如队列中有等待时间过长的车辆,队伍前5个位置的“对等配对”规则也可以被取消掉。

If the amoung of players playing on the server is low or if there is an overflow of one type of vehicles in the queue and the battle waiting time increases, in such a cases following exceptions in MM rules are made:
如果服务器上玩家数量过少,且队列中某一种车型的坦克又特别多,且排队时间持续上涨的时候,MM会启用以下规则 

– there can be battles with more than 5 arty per team (if an arty player waited for more than three minutes for battle)
一场战斗的参战双方可以有多于5门的火炮((假如一名火炮玩家的等待时间超过3分钟

– teams that are not full can be released into battle (7-14 vehicles), both teams have to have the same amount of vehicles though (this happens when any player’s waiting time is longer than three minutes)
没有被填满的队伍可以进入战斗(7~14辆车),参战双方队伍的车辆数量必须相等(这条适用于任何玩家的排队时间超过3分钟的时候

– light tanks with increased MM weight (scouts) can assume the slots for medium and heavy tanks on the top of the team
带有侦察车分房的轻坦们可以被丢到队伍顶端,被放置在原本给中坦和重坦预留的空位中,成为班长。

– a notable disbalance of tech class and tiers might appear within the sum of MM weights of the team (this concerns arty)
显著的双方车辆等级和车型不平衡,但是MM总值的差值又被控制在了一定百分点内(这条是和火炮有关的)

– starting from battletier 7, a medium tank, TD or arty can appear on the top position of the team
从战斗等级7级开始(换句话说,5级车),中坦,TD和火炮可以作为班长出现

– if the waiting time is longer than 5 minutes, the tank drops back to the hangar from the queue
如果你的排队时间多于5分钟,坦克会被从队列中移除并放置回车库

All cases written above are however an
exception.
上述所有内容均为特例。

How MM works——论分房》上有2个想法

  1. 没有被填满的队伍可以进入战斗(7~14辆车),参战双方队伍的车辆数量必须相等(这条适用于任何玩家的排队时间超过3分钟的时候)

    我碰到过凌晨4点半的南3区,2级房点了秒进然后发现队伍不满……

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