Individual Calculations February 2018
 Jaufarally, Mohammud  Total change: 4.80  Rating chartPersonal card
 2017/18 4NCL Division 4 South Rounds 3-4 Reading ENG 2018-01-13
RcRownchangeKK*chgGame
 1731 1468 0.50 1 0.32 40 12.80 
  Sivarajasingam, Venetia wc1731 WLS0.5010.324012.80 

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)
 
 57th Hampstead Weekend Congress Under 1900 London ENG 2018-01-20
RcRownchangeKK*chgGame
 1708 1468 0.00 1 -0.20 40 -8.00 
  Osiyemi, Lara 1708 NGR0.001-0.2040-8.00 

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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