Individual Calculations August 2018
 Williams, Ronald  Total change: -11.20  Rating chartPersonal card
 2018 Michigan Class Championship Lansing, Michigan USA 2018-07-21
RcRownchangeKK*chgGame
 1939 1822 0.50 3 -0.56 20 -11.20 
  Hahn, David 1921 USA0.001-0.3620-7.20 
  Van Meter, Lester f2089 USA0.5010.32206.40 
  Motoc, Michael 1807 USA0.001-0.5220-10.40 

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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