Search "user:ChoszcznoWarrior"

Maybe there should be an extra prize for the highest ranked (in final standings) player streaming the event so that titled arena will be more promoted on twitch/youtube etc

I don't think it's a common one

Hello, i think it would be a great upgrade if lichess adds filter "by opp. title" while you search through your games. Probably it shouldn't be also very hard to implement.