@CarvedBoat
It is you who claim something without ability to show any data. The onus of proof is on you and I'm definitely not going to waste my time searching for something that might have never existed.
EDIT... and this game: lichess.org/cglTEFfVHS2e (played today!) might be enough to show that there is no technical limitation to play with a big rating difference, only matching was made more difficult.
If you say it was +/-400, maybe you confuse this site with chess.com/? There is exactly such a limit, indeed. Could it be the source of mistake?
It is you who claim something without ability to show any data. The onus of proof is on you and I'm definitely not going to waste my time searching for something that might have never existed.
EDIT... and this game: lichess.org/cglTEFfVHS2e (played today!) might be enough to show that there is no technical limitation to play with a big rating difference, only matching was made more difficult.
If you say it was +/-400, maybe you confuse this site with chess.com/? There is exactly such a limit, indeed. Could it be the source of mistake?