Individual Calculations January 2015
 Weaver, Lauren  Total change: 28.40  Rating chartPersonal card
 World Schools Individual Championships 2014 U-15 G Juiz de Fora/MG BRA 2014-11-26
RcRownchangeKK*chgGame
 1597 1489 2.50 5 0.71 40 28.40 
  Costa, Ane Caroline 1707 BRA0.001-0.2240-8.80 
  Baca Olazaval, Ximena 1701 PER1.0010.774030.80 
  Faruq, Afifa Ayyun 1629 INA0.5010.19407.60 
  Sirahata Hasegava, Flavia 1537 BRA0.5010.07402.80 
  Bonvini, Adriana Tonhati 1413 BRA0.501-0.1040-4.00 

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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