Individual Calculations May 2020
 Rojas Mendoza, Joun Sun  Total change: 26.20  Rating chartPersonal card
 Campeonato Nacional Amateur 2020 Categoria Sub1700 Paipa COL 2020-02-26
RcRownchangeKK*chgGame
 1597 1627 4.00 5 1.31 20 26.20 
  Lopez, Alberto 1552 COL1.0010.40208.00 
  Lopez Parra, Carlos Alberto 1570 COL0.501-0.0820-1.60 
  Pinilla, Diego 1675 COL0.5010.07201.40 
  Ramos Ortiz, Carlos Alberto 1501 COL1.0010.33206.60 
  Acero Vargas, Cristian Camilo 1689 COL1.0010.592011.80 

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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