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The rules don't specify how it's calculated or which program is used for this tournament, so we'll have to look it up.
Note: Regarding the calculation of coefficients when a round is skipped or an opponent is absent.
As a rule, the following approach is used.
All unplayed matches (skipped round, absence, or lack of an opponent, "plus") are treated as draws for the purpose of calculating coefficients:
in case of an opponent's absence, the match is treated as a draw
in case of no opponent (in a Swiss system with an odd number of participants), the match is considered to have been played to a draw against oneself
in case of skipping a round at the beginning of the tournament (due to being late) or at the end of the tournament (due to withdrawal), the matches are considered to have been played to a draw against oneself
In general, it took a long time to figure out these programs; I spent almost half of Sunday on it, but we finally figured out the coefficients. Soon, Sanin will post the results.