Individual Calculations October 2015
 Coutinho, Sidnei Bissacot  Total change: 9.80  Rating chartPersonal card
 Aberto do Brasil FBX 50 anos Brasilia DF BRA 2015-09-05
RcRownchangeKK*chgGame
 2023 2091 3.50 5 0.49 20 9.80 
  Sousa E Silva, Marcell Bruno 1894 BRA1.0010.25205.00 
  Perdomo, Leandro m2428 ARG0.001-0.1220-2.40 
  Montufar Berrios, Lesly Vivian wc1900 BRA0.501-0.2520-5.00 
  Ribeiro Jr, Valdir Uchoa 1910 BRA1.0010.26205.20 
  Da Silva Filho, Jair Humberto 1983 BRA1.0010.35207.00 

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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