Rapid: Individual Calculations April 2021
 Pinphetsawan, Sirikwan  Total change: -27.20  Rating chartPersonal card
 Thailand SEA Games Qualifier, Rapid Ladies Nonthaburi THA 2021-03-09
RcRownchangeKK*chgGame
 1248 1386 4.00 8 -1.36 20 -27.20 
  Kaewwattha, Natrada 1082 THA1.0010.14202.80 
  Junput, Orachaporn 1189 THA0.001-0.7520-15.00 
  Buhagiar, Melita Sunan 1351 THA0.501-0.0520-1.00 
  Chinkulkitniwat, Purichaya 1043 THA0.001-0.8820-17.60 
  Nilkhumhaeng, Nilwadee 1190 THA1.0010.25205.00 
  Bootsumran, Sirin 1243 THA0.501-0.1920-3.80 
  Chuemsakul, Sarocha wf1679 THA0.001-0.1520-3.00 
  Chulasereekul, Kwanchanok 1210 THA1.0010.27205.40 

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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