Individual Calculations April 2020
 Costa, Jorge  Total change: -35.60  Rating chartPersonal card
 Semifinal Arg. Sub 1700 - Ciudad de Reconquista 2020 Reconquista ARG 2020-03-06
RcRownchangeKK*chgGame
 1430 1490 0.50 4 -1.78 20 -35.60 
  Sandoval, Nahuel 1541 ARG0.5010.07201.40 
  Zacarias Hidalgo, Justo Nicolas 1434 ARG0.001-0.5820-11.60 
  Hakanson, Raul 1204 ARG0.001-0.8420-16.80 
  Andres, Pablo Sebastian 1542 ARG0.001-0.4320-8.60 

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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