Rapid: Individual Calculations December 2019
 Omarsson, Adam  Total change: 0.20  Rating chartPersonal card
 Islandsmot ungmenna u12 Kopavogur ISL 2019-11-16
 1278 1149 1.00 3 0.01 20 0.20 
  Helgadottir, Idunn 1171 ISL0.001-0.4720-9.40 
  Berndsen, Soffia Arndis 1298 ISL1.0010.702014.00 
  Gudmundsson, Gunnar Erik 1365 ISL0.001-0.2220-4.40 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)


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