Individual Calculations May 2017
 James, Jack  Total change: 20.40  Rating chartPersonal card
 2017 Wellington Easter Open Wellington NZL 2017-04-14
RcRownchangeKK*chgGame
 2124 2042 3.00 5 1.02 20 20.40 
  Masters, Andrew 1840 SCO1.0010.24204.80 
  Steadman, Michael V R f2237 NZL1.0010.752015.00 
  Quere, Alexandre 2022 FRA0.501-0.0320-0.60 
  Croad, Nicholas f2232 NZL0.001-0.2520-5.00 
  Dive, Russell J m2289 NZL0.5010.31206.20 

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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