Rapid: Individual Calculations October 2021
 Petrou, Anna  Total change: -2.00  Rating chartPersonal card
 16th Beach chess rapid ESSPEP Astros GRE 2021-09-05
RcRownchangeKK*chgGame
 1640 1279 0.00 1 -0.10 20 -2.00 
  Kolovos, Georgios 1640 GRE0.001-0.1020-2.00 

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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