Individual Calculations May 2023
 Zhang, Emma (zhihan)  Total change: 28.80  Rating chartPersonal card
 2023 O2C Doeberl Cup Mini Canberra AUS 2023-04-07
RcRownchangeKK*chgGame
 1225 1128 3.00 6 0.72 40 28.80 
  Raichura, Dev 1229 AUS0.001-0.3640-14.40 
  Huang, Thomas 1111 AUS1.0010.484019.20 
  Pan, Renee Yang 1293 AUS0.001-0.2840-11.20 
  Marks, Joe 1449 AUS0.001-0.1340-5.20 
  Lee, William 1019 AUS1.0010.354014.00 
  Carter, Martin 1247 AUS1.0010.664026.40 

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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