Individual Calculations September 2017
 Phiri, Lyford  Total change: 76.40  Rating chartPersonal card
 Luapula Closed Monthly Chess Tournament - August Mansa ZAM 2017-08-18
RcRownchangeKK*chgGame
 1906 1562 2.50 5 1.91 40 76.40 
  Bertha, Phiri 1856 ZAM1.0010.854034.00 
  Zulu, Thomas 1962  * ZAM0.001-0.0840-3.20 
  Banda, Paul 1915 ZAM0.5010.394015.60 
  Mpanga, Kasao 1962  * ZAM0.001-0.0840-3.20 
  Chanda, Ellis 1837 ZAM1.0010.834033.20 
 * 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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