Each opponent's final score times the points scored against them, added up. In a round robin, C.07 counts forfeits as games played (article 15.2). The program that ranked this tournament may count them differently.
The chess-results page calls it "Sonneborn-Berger-Tie-Break variable" and does not say which values are cut or how unplayed rounds count.
The points scored against the players who finished with at least half of the maximum possible score. In a round robin, C.07 counts forfeits as games played (article 15.2). The program that ranked this tournament may count them differently.
