Individual Calculations May 2017
 Silva, Nelson Americo  Total change: -17.40  Rating chartPersonal card
 CN Equipas 2016/2017 - 2. divisao B r.5-7 Montemor-o-Velho POR 2017-04-01
RcRownchangeKK*chgGame
 1878 1829 0.00 2 -0.87 20 -17.40 
  Sa, Claudio Simao Carvalho Fari 1792 POR0.001-0.5520-11.00 
  Ferreira, Victor Manuel 1964 POR0.001-0.3220-6.40 

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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