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What is "efficiency"?

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JLK_250 #21 Posted Jan 09 2013 - 00:13


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View PostSilveriferno08, on Jan 08 2013 - 23:47, said:

noob question but what does the WN4 indicate? Dont' think is says on the wotlabs site.

WN2, WN3, WN4, and soon WN5 are skill ratings that are in development by someone else.  Search in the forums and you'll find a huge thread discussing it.  Originally there was only "efficiency" and it's the most common, but the most easily padded and the most flawed.  Remains to be seen if one new rating comes to dominate.

soluuloi #22 Posted Jan 09 2013 - 04:16


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Lol, you are a good player, both of your stat and eff are better than mine so you dont have to worry. Btw, eff 750 is very low, they just dont want deadweight player in their clan, so no big deal.

Hoss1193 #23 Posted Jan 09 2013 - 06:43

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As others have mentioned, your Efficiency is pretty darn good (currently 1408).  Good winrate and WN4 as well.

As others have also mentioned, if your clan has a minimum requirement of 750...um, well I'll just say that your record gives you latitude to look around for an outfit with perhaps some slightly higher standards (and probably more success on the global map).

mattwong #24 Posted Jan 09 2013 - 10:02


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It kind of bugs me that "efficiency" is the name given to a calculated number which can exceed two thousand.  Scientifically speaking, "efficiency" is always expressed as a number between 0% and 100%, where 0% is total uselessness and 100% is perfection.  Of course, there is no such thing as perfection in reality, so efficiency is never quite 100%.  But it seems to me that if one were to generate a number for evaluating someone's performance in a battle and call it "efficiency", then one should determine the stats associated with a perfect game, and then compare the stats of the player's game to this hypothetical perfect game.

SirusPernot #25 Posted Jan 11 2013 - 07:42


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There is how it is actually calculated and a write-up on how to use xvm to analyze the playing field and make choices on it.

tl;dr It gets most of it's weight from cap and defense points. You can have a 20,000+ efficiency rating for a single battle if you kill several tanks and get defender then invader. That's the only real way to pad those stats. However if you're doing that you're doing well in the fight so...

Catatonick #26 Posted Jan 11 2013 - 10:00


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Typically speaking efficiency in a pub is a good way to figure out who bots a lot(low win rate and efficiency) and who can be relied upon to reset cap or attempt to cap.  Beyond that stats in pub games are completely meaningless.  I have seen plenty of teams with horrible efficiency just straight up dominate a stacked team.

Sylvado #27 Posted Jan 12 2013 - 01:26


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Ouch, that kills my ego or is the poor rating a result of changing tanks so often?

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