Rapid: Individual Calculations October 2021
 Kobzar, Alexandr An.  Total change: -7.40  Rating chartPersonal card
 IX st. of the A. E. Karpov Children's Award Tourn.-B Nemchinovka RUS 2021-09-19
RcRownchangeKK*chgGame
 1212 1120 0.00 1 -0.37 20 -7.40 
  Grigoriev, Alexander D 1212 RUS0.001-0.3720-7.40 

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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