Bad rating change from a game? Report here

This is for troubleshooting of problems with the FAF client and Forged Alliance game.

Re: Bad rating change from a game? Report here

Postby lilSidlil » 27 Aug 2018, 08:38

Won a game, lost 7 rating:
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Re: Bad rating change from a game? Report here

Postby lilSidlil » 27 Aug 2018, 08:43

Won a game and dont get any points.
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Re: Bad rating change from a game? Report here

Postby HerzogGorky » 29 Aug 2018, 13:44

My opponent had some connection issues, which is confirmed by him losing connections in 2 games in a row, one including me. In vault it states - win: both, however i lost 9 points.

replay Id - 8479184
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game.uid.8479184.log
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8479184-HerzogGorky.fafreplay
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Re: Bad rating change from a game? Report here

Postby lilSidlil » 03 Sep 2018, 10:29

some connection issue here, but my team lose and i get 14 pts.
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Re: Bad rating change from a game? Report here

Postby EspiranTo- » 15 Sep 2018, 16:57

Here 3 games with this bug and one game only replay, because of time the log is already gone
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Re: Bad rating change from a game? Report here

Postby MLGTASTIC » 21 Sep 2018, 18:55

Played an online game and won it , but for some reason my rating went under , ID is 8582891 , 9/21/2018 , 7:50 PM EU , i can't watch the replay for some reason , it keeps giving me an error when i try to play it
Gamemode : Nomads
(Notice) Balance ingame was over 70% but at replays its shown as 0% ,
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Re: Bad rating change from a game? Report here

Postby trampek » 26 Sep 2018, 11:21

replay id 8606055 , me and other guy, from team that won, lost points ,dunno about others but prolly same thing
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Re: Bad rating change from a game? Report here

Postby sasin » 01 Nov 2018, 21:26

Not sure if this is quite the right place for this, but my rating seems stuck at 1461 and I've played like 6 games since and not seen in budge a point. Here are a few replays!
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8773700-sasin.fafreplay
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8773860-sasin.fafreplay
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Re: Bad rating change from a game? Report here

Postby lilSidlil » 14 Jan 2019, 00:04

Balance 92. After won i get 3 points, my teammate - 11 points.
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Re: Bad rating change from a game? Report here

Postby Geosearchef » 14 Jan 2019, 01:24

What's the problem with that change? Your rating is not a single number, it's a normal distribution with mean and deviation. The number you see is the lower 3 sigma percentile: (you have a 99.7 % probability to play at least as good as displayed)

Image
(they can't spell deviation in the image)

mean = expected skill in a game (1000 in the picture above)
deviation = average deviation from the expected skill in a game (20 in picture above, in FAF about 100 to 200)
displayed rating = 3 sigma percentile = mean - 3 * deviation = 940 in above image

If you win a game against a better oponent your mean will increase, but your deviation will get bigger, (the system is more uncertain of your skill) therefore reducing your rating dramatically which results in cancelling out the gain in mean (therefore just +3). Just keep playing, the bigger your deviation the easier it is for the mean to adjust, if you keep a consistent skill level your deviation will lower again therefore getting certain that you can play at a higher skill level and increasing the number shown.
Developer, Server Admin, ICE, currently working on Team Matchmaking, FAF Client
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