Individual Calculations September 2017
 Jackson, Gary C  Total change: -3.60  Rating chartPersonal card
 2017 Midland Championship Major West Bromwich ENG 2017-08-11
RcRownchangeKK*chgGame
 1778 1816 2.00 4 -0.18 20 -3.60 
  Brown, Geoffrey M 1772 ENG0.001-0.5620-11.20 
  Harris, John 1589 ENG1.0010.21204.20 
  Rowan, Paul 1881 ENG1.0010.592011.80 
  Paul, Nathanael 1871 ENG0.001-0.4220-8.40 

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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