Individual Calculations December 2013
 Boas, Toby  Total change: 9.75  Rating chartPersonal card
 12th Annual Turkey Bowl Coral Springs, Florida USA 2013-11-15
RcRownchangeKK*chgGame
 2221 2175 2.50 4 0.65 15 9.75 
  Haskel, Jeffrey 2233 USA1.0010.58158.70 
  Ludwig, John 2084 USA1.0010.38155.70 
  Yanovsky, Vlad 2021 USA0.501-0.2115-3.15 
  Becerra, Julio J g2547 USA0.001-0.1015-1.50 

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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