Individual Calculations November 2021
 Almaamari, Zainab Darwish  Total change: 76.40  Rating chartPersonal card
 World Amateur Chess Championship 2021 U1700 women Rhodes GRE 2021-10-16
RcRownchangeKK*chgGame
 1543 1375 4.00 7 1.91 40 76.40 
  Ni Mhuireagain, Eibhia 1674 IRL1.0010.854034.00 
  Wanjiru, Lucy wc1620 KEN1.0010.804032.00 
  Madelta, Glenda 1417 KEN0.001-0.4440-17.60 
  Trivella, Maria 1169 GRE0.501-0.2640-10.40 
  Borghezan, Laryssa Zanini 1575 BRA1.0010.764030.40 
  Florea, Dorina 1687 ROU0.5010.364014.40 
  Ndirangu, Joyce Nyaruai wc1656 KEN0.001-0.1640-6.40 

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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