Individual Calculations February 2018
 Johnson, Elizabeth  Total change: -48.40  Rating chartPersonal card
 CCF WINTER CHESS 2017-18 LONGPLAY JANUARY 2018 A London ENG 2018-01-08
RcRownchangeKK*chgGame
 1427 1416 0.50 3 -0.95 40 -38.00 
  Miles, Barry S 1524 ENG0.5010.15406.00 
  Gliddon, Daniel J 1428 ENG0.001-0.4840-19.20 
  Johnson, Stephen G 1328 ENG0.001-0.6240-24.80 

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)
 
 2017/18 4NCL Division 4 South Rounds 3-4 Reading ENG 2018-01-13
RcRownchangeKK*chgGame
 1597 1416 0.00 1 -0.26 40 -10.40 
  Gorgun, Aliriza Atif 1597 TUR0.001-0.2640-10.40 

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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