Well, generally, the skill level of players in high stakes games is higher than in lower stakes games.
http://www.lada-xray.net/showthread.php?p=158329#post158329
https://www.seono1.co.th/forum/index.php/topic,1016865.new.html#new
http://horsecity.ru/phpBB3/viewtopic.php?f=33&t=184438
http://forum.terrassesdelancy.ch/viewtopic.php?t=540
https://bbs.chaken.net.cn/forum.php?mod=viewthread&tid=1208216&extra=
https://mmomakemoneyonline.net/threads/casinos-jatekok-online-kaszino-magyarorszag.459565/
https://www.challenger4g.com/forum/threads/casino-online-opinie-lub-kasyno-poland.27769/
https://talkingpoints.org/subx/showthread.php?tid=2675
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=1&t=197731
http://gwenael.free.fr/diss3/viewtopic.php?f=5&t=11807
http://horsecity.ru/phpBB3/viewtopic.php?f=25&t=201374
https://one-diz.3dn.ru/forum/12-16888-1#23143