Individual Calculations April 2017
 Vigorito, David  Total change: 3.90  Rating chartPersonal card
 2017 Saco Open Saco, Maine USA 2017-03-18
RcRownchangeKK*chgGame
 2323 2370 1.50 2 0.39 10 3.90 
  Bryan, Jarod J f2165 USA1.0010.24102.40 
  Ivanov, Alexander g2480 USA0.5010.15101.50 

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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