Individual Calculations July 2018
 Cabeza Marquez, Mariangel  Total change: -13.20  Rating chartPersonal card
 Festival Estadal Escolar Asoajedrene 2018 Sub-13 Absoluto Porlamar VEN 2018-06-01
RcRownchangeKK*chgGame
 1286 1003 0.00 2 -0.33 40 -13.20 
  Rodriguez Molina, Marco Aurelio 1259 VEN0.001-0.1940-7.60 
  Abrantes Rivero, Miguel David 1312 VEN0.001-0.1440-5.60 

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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