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2 Nagan-4 What’s wrong with an experienced player participating in a novice tournament? For beginners, the opportunity to play against a pro is a definite plus. Even if they win, the main thing for beginners is the chance to play and communicate. And a top-tier player wouldn’t participate in a competition with novices; they need their own strong and prestigious tournament. A strong player might play against a novice only to boost their rating. So, the rating calculation should be adjusted (based on the chess Elo system) to prevent it from increasing too much.
P.S. Maybe I don’t understand the main topic, but I think you can’t discuss tournament rules in isolation from the tournaments themselves. Theory always needs to be tested in practice; we’ll refine the constitution faster that way.