Individual Calculations February 2017
 Onley, David E  Total change: 4.80  Rating chartPersonal card
 2016/17 4NCL Division 3 South Rounds 3-4 Reading ENG 2017-01-14
RcRownchangeKK*chgGame
 2036 2132 1.50 2 0.24 20 4.80 
  Hewitt, William 2044 WLS0.501-0.1220-2.40 
  Grigoryan, Meri wf2028 ENG1.0010.36207.20 

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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