Nagan-4
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Guys, it's just a Swiss-system tournament, 4 rounds. Some might leave after losing the first round, while others will play all the rounds. In this case, the Swiss system is a flexible one.
We play each round to the end, no "...we'll finish it tomorrow."
In the most extreme case, a decision is made. In my memory, only one such decision caused a dispute - in Krasnodar in 2004, in a quarterfinal match between Dima and a player from Minsk, vvv.
Otherwise, the Swiss system worked well.
It's a shame that I'm walking around with a cold, but it's chronic for me; I'll try to recover.