Individual Calculations December 2021
 Hristov, Boyko Aleksandrov  Total change: -13.60  Rating chartPersonal card
 16th Annual Los Angeles Open - Under 2050 Van Nuys, California USA 2021-11-05
RcRownchangeKK*chgGame
 1292 1578 1.00 2 -0.68 20 -13.60 
  Indukuri, Suhas Varma 1293 USA1.0010.16203.20 
  Zhang, Elena 1290 USA0.001-0.8420-16.80 

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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