Individual Calculations April 2020
 Lyapa , Chisha  Total change: -11.80  Rating chartPersonal card
 ZONE 9 CHESS TOURNAMENT Chipata ZAM 2020-03-13
RcRownchangeKK*chgGame
 1951 1888 2.00 6 -0.59 20 -11.80 
  Musonda, Chola f2222 ZAM0.001-0.1220-2.40 
  Nkhupi, Robert 1659 ZAM1.0010.21204.20 
  Zulu, Thomas 2207 ZAM0.001-0.1320-2.60 
  Mwanza, Brian 1686 ZAM1.0010.24204.80 
  Mwape, Dennis 2013 ZAM0.001-0.3320-6.60 
  Kalaba, Mutale 1918 ZAM0.001-0.4620-9.20 

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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