Individual Calculations June 2014
 Rueda, Libardo  Total change: -14.40  Rating chartPersonal card
 83rd Massachusetts Open Marlboro, Massachusetts USA 2014-05-24
RcRownchangeKK*chgGame
 2182 2156 0.00 2 -0.96 15 -14.40 
  Ivanov, Alexander g2517 USA0.001-0.1015-1.50 
  Tang, Arthur 1846 USA0.001-0.8615-12.90 

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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