Individual Calculations January 2020
 Phiri, Bertha  Total change: 12.80  Rating chartPersonal card
 2019 LPCA LEAGUE 2 Round 1-14 Lusaka ZAM 2019-09-21
RcRownchangeKK*chgGame
 1415 1631 6.50 8 0.64 20 12.80 
  Kabamba, Mulwale Bwalya 1549 ZAM1.0010.39207.80 
  Kawesha, Innocentia 1231  * ZAM1.0010.08201.60 
  Mututubanya, Portiah 1498 ZAM0.001-0.6820-13.60 
  Chitula, Agatha 1231  * ZAM1.0010.08201.60 
  Mbatha, Constance wc1670 ZAM1.0010.552011.00 
  Chilufya, Phiri 1243 ZAM1.0010.09201.80 
  Chitula, Agatha 1231  * ZAM1.0010.08201.60 
  Mbatha, Constance wc1670 ZAM0.5010.05201.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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