Individual Calculations January 2011
 Bereolos, Peter  Total change: 3.30  Rating chartPersonal card
 19th Annual Kings Island Open Mason, Ohio USA 2010-11-12
RcRownchangeKK*chgGame
 2121 2328 2.50 3 0.22 15 3.30 
  Hughes, John L 2051 USA1.0010.17152.55 
  Magness, Trevor S 2124 USA0.501-0.2615-3.90 
  Stamnov, Aleksandar f2187 MKD1.0010.31154.65 

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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