Individual Calculations July 2017
 Chumfwa, Stanley  Total change: -13.40  Rating chartPersonal card
 2017 Zone 4.3 Individual Chess Championships - Open Section Livingstone ZAM 2017-06-10
RcRownchangeKK*chgGame
 2217 2291 3.50 7 -0.67 20 -13.40 
  Katowa, Kennedy 2092 ZAM1.0010.24204.80 
  Dimba, James c2086 ZAM1.0010.24204.80 
  Phiri, Richmond m2235 ZAM0.001-0.5820-11.60 
  Simulundu, Judah 2159 ZAM1.0010.32206.40 
  Solomon, Kenny g2376 RSA0.001-0.3820-7.60 
  Jere, Daniel m2387 ZAM0.001-0.3720-7.40 
  Masango, Spencer 2187 ZIM0.501-0.1420-2.80 

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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