Individual Calculations January 2020
 Muchiri, Patrick  Total change: -7.60  Rating chartPersonal card
 The 2019 Kenya National Chess Championship - Open Nairobi KEN 2019-12-11
RcRownchangeKK*chgGame
 1716 1338 0.00 2 -0.19 40 -7.60 
  Mulindi, Trevor 1722 KEN0.001-0.0940-3.60 
  Wangombe, Mugo 1710 KEN0.001-0.1040-4.00 

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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