2. It's not advisable to refuse, at least if the player doesn't systematically violate the tournament rules (everything can happen in reality), but if the player constantly and repeatedly violates the rules (at least 3 times in a row), then it's possible;
3. Option c);
4. 2 weeks;
5. In advance;
6. The organizer has a lot of work, so it's possible to consider as decisive the fact that one player informed the organizer that he had notified his opponent (with proof of notification attached), while no information was received from the other player.
