Individual Calculations May 2023
 Nel, Hayley  Total change: 104.80  Rating chartPersonal card
 2023 South African Junior Closed (U18 Girls) Johannesburg RSA 2023-03-31
RcRownchangeKK*chgGame
 1162 1235 8.00 9 2.62 40 104.80 
  Tlhage, Molemo 1211 RSA0.501-0.0340-1.20 
  September, Mckenzie 1217 RSA1.0010.474018.80 
  Jacobs, Elsje 1120 RSA1.0010.344013.60 
  Wang, Pei-Shan 1385 RSA0.5010.20408.00 
  Claassen, Gabriella 1161 RSA1.0010.404016.00 
  Petlele, Motheo 1072 RSA1.0010.284011.20 
  De Beer, Janka 1179 RSA1.0010.424016.80 
  Jonker, Danica 1004 RSA1.0010.21408.40 
  Naude, Nia 1107 RSA1.0010.334013.20 

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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