Rapid: Individual Calculations February 2023
 Ball, Katie C  Total change: 10.00  Rating chartPersonal card
 Golders Green FIDE Rapidplay 2023 January Major London ENG 2023-01-07
RcRownchangeKK*chgGame
 1364 1271 2.50 6 0.25 40 10.00 
  Ward-Riggs, Samuel 1452 ENG0.001-0.2640-10.40 
  Aserkoff, Daniel 1337 ENG1.0010.594023.60 
  Ariyaratne, Prabodha 1369 ENG0.001-0.3740-14.80 
  Kapur, Gul 1340 ENG1.0010.604024.00 
  Ball, Charlie 1294 ENG0.5010.03401.20 
  Iqbal, Taha 1390 ENG0.001-0.3440-13.60 

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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