Individual Calculations October 2019
 Da Costa, Rafael Felix Ribeiro  Total change: -16.60  Rating chartPersonal card
 V Floripa Winter Chess 2019 Amateur U2200 Florianopolis SC BRA 2019-08-30
RcRownchangeKK*chgGame
 1817 1929 3.50 7 -0.83 20 -16.60 
  Hornburg, Gustavo Arthur 1529  * BRA1.0010.08201.60 
  Starke, Bruno Orlando 2195 BRA0.5010.32206.40 
  De Carvalho, Christopher 2104 BRA0.001-0.2720-5.40 
  Kim, Thiago 1674 BRA0.501-0.3120-6.20 
  Koinski, Carlos Cesar 1529  * BRA1.0010.08201.60 
  Doge, Gustavo Postein 1756 BRA0.501-0.2320-4.60 
  Hataby, Raed 1929 SYR0.001-0.5020-10.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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