DISCUSSIONS on “Rules for online games in HoMM3 and formulas for calculating player rating.”

A player participating in a match is prohibited from watching their opponent's stream during the game, and in the event of a match being postponed, they are prohibited from watching the opponent's recorded stream until the match is over.

By the way, despite the difficulty of tracking, it's still worth implementing, just to close the issue like: "
"There was an announcement for everyone - here, watch it, and I started watching... There was nothing said that I wasn't allowed to..."