I think that, within the castle walls, a height restriction can generally be dispensed with. After all, the opposing robot is not permitted to enter this area anyway, and raising it above 350 mm is likely to interfere with enemy detection in any case. Therefore, in my view, a restriction to 430 mm is not necessary.
This makes things easier for the referees, as it would be virtually impossible to monitor any height restriction – be it 430 mm, 450 mm or 500 mm – during a match
BR
Michael