Rapid: Individual Calculations April 2021
 Phitchayarom, Ruja  Total change: -80.60  Rating chartPersonal card
 Thailand SEA Games Qualifier, Rapid Ladies Nonthaburi THA 2021-03-09
RcRownchangeKK*chgGame
 1137 1578 2.50 7 -4.03 20 -80.60 
  Junput, Orachaporn 1189 THA0.001-0.9120-18.20 
  Kaewwattha, Natrada 1082 THA0.001-0.9620-19.20 
  Khantree, Napat 1075 THA0.001-0.9620-19.20 
  Tuorila, Nina 1135 THA0.501-0.4420-8.80 
  Aree, Yasamin 1243 THA1.0010.12202.40 
  Nilkhumhaeng, Nilwadee 1190 THA0.001-0.9120-18.20 
  Somthong, Aonuma 1048 THA1.0010.03200.60 

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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