Individual Calculations September 2018
 Longson, Sarah N  Total change: -3.00  Rating chartPersonal card
 105th British Championship Hull ENG 2018-07-28
RcRownchangeKK*chgGame
 2204 2123 3.50 9 -0.15 20 -3.00 
  Fernandez, Daniel Howard g2477 ENG0.001-0.1120-2.20 
  De Coverly, Roger D 1920 ENG1.0010.24204.80 
  Bradbury, Neil H m2348 ENG0.001-0.2220-4.40 
  Zapolskis, Antanas m2283 LTU0.001-0.2920-5.80 
  McDougall, William M 2056 SCO1.0010.41208.20 
  Miller, Dominic 2017 ENG1.0010.36207.20 
  Webb, Laurence E f2306 ENG0.001-0.2620-5.20 
  Zakarian, David f2354 ARM0.001-0.2120-4.20 
  Jackson, Sheila wg2072 ENG0.501-0.0720-1.40 

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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