Search "user:fjachess"

I got it from here : https://database.lichess.org/#variant_games The files should contain only PGNs- I think you'd have to program something that recognizes where the PGNs start and end: They usually …

You could download all these : https://database.lichess.org/threeCheck/list.txt , then you'd have to filter usernames and sort by number of games... I wouldn't know how to do it , but these files cont…

Hope I'll be able to snatch up a title until then !