Individual Calculations January 2010
 Vidalis, Evagelos  Total change: 4.05  Rating chartPersonal card
 4th IN Memorial Tournament 2009 Thessaloniki GRE 2009-11-15
RcRownchangeKK*chgGame
 1902 2010 1.50 2 0.27 15 4.05 
  Romanos, Theodoros 2094 GRE0.5010.12151.80 
  Avgitidis, Isaak 1709 GRE1.0010.15152.25 

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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