[T]he most important change is, however, that all players have to be at their table exactly at the beginning of play to shake hands, just like in any other sports, or else they will lose the match. Chess players have yet allowed themselves the luxury of being late up to one hour.
(Note that these rules announced by Ignatius Leong last week are in addition to other Olympiad Rule changes announced in December last year).
Or else they will lose the match? Scary stuff! Fortunately, with a start time per round of 3PM, it shouldn't be a problem. Hopefully.