I am really missing CS:GO and LAN tournaments.

Not just for CS;GO but also for Dota 2.
But there is nothing to miss, we have online tournaments that you can enjoy to watch the live stream or replays. I mostly watch the replays if I miss a game.
I would like to learn how to bet on CS:GO, so I am studying all the replays now. It is very addictive.
Ok, good luck studying them. Most esports games are addictive and you need to control yourself whether you play or bet.
I do the same. Can you tell what team in CS:GO is the strongest and most promising for you?
I'm not actually a csgo expert, I'm more with dota 2 so you better get into this reference.
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https://www.gosugamers.net/counterstrike/rankings