Individual Calculations July 2018
 Chibnall, Alana  Total change: -37.00  Rating chartPersonal card
 41st Trusts Chess Open A 2018 Auckland NZL 2018-06-02
RcRownchangeKK*chgGame
 1934 1981 1.50 6 -1.85 20 -37.00 
  Steadman, Michael V R f2185 NZL0.001-0.2420-4.80 
  Marko, Helmut S c1913 PNG0.001-0.5920-11.80 
  Zhang, Jasmine Haomo wf1890 NZL0.001-0.6220-12.40 
  Chung, Francisco 1944 AUS1.0010.45209.00 
  Qin, Nicole Shu Yu wc1686 NZL0.501-0.3520-7.00 
  Mistry, Prashant 1983 NZL0.001-0.5020-10.00 

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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