FAME?

Links to everything:
a)link to the steam id website: https://steamid.io/
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1)link to the match: https://play.eslgaming.com/counterstrike/pro/csgo/pro/esl-mistrzostwa-polski-sezon-13-qualifier-4/match/33983070/
2)link to FAME main account: https://steamcommunity.com/id/metjux/          [U:1:58475912]
3)link to 1st FAME connected account: https://steamcommunity.com/profiles/76561198219951212     [U:1:259685484]
4)match date:  09/08/16
5)1st ban date: 29/03/17


g)youtube video with tutorial:
What i want to say is that this method confirms only that the player logged in on the account i checked. We will never know if he was the one that got those accounts banned or no. Only Valve know it.