Individual Calculations April 2018
 Chibolya, Ketty  Total change: 36.00  Rating chartPersonal card
 African Amateur Chess Championships - Women U2000 Livingstone ZAM 2018-02-25
RcRownchangeKK*chgGame
 1468 1163 2.00 7 0.90 40 36.00 
  Tembo, Milika 1294 ZAM1.0010.684027.20 
  Cheleka, Namakau 1364 ZAM0.001-0.2440-9.60 
  Mbewe, Anna 1563  * ZAM1.0010.924036.80 
  Mwango , Lorita wf1563  * ZAM0.001-0.0840-3.20 
  Ndachipiwa, Kgomotso 1559 BOT0.001-0.0840-3.20 
  Nakabo, Peninah 1491 UGA0.001-0.1340-5.20 
  Mwilola, Phylis Namasiku wc1439 ZAM0.001-0.1740-6.80 
 * 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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