Maybe try chess.com if you haven't, or talk to some TD's who have run online tournaments. HN just doesn't seem like a likely place to find them. There are a l

Maybe try chess.com if you haven't, or talk to some TD's who have run online tournaments. HN just doesn't seem like a likely place to find them. There are a lot of smart people here who think they can give wise advice from pure thought, but it is better to turn to actual experience for something like this. Hmm, maybe chess24? https://chess24.com/en/community https://chess24.com/en/community They are involved with a lot of online events.