Individual Calculations March 2011
 Mastrakoulis, Simeon  Total change: -11.25  Rating chartPersonal card
 Prokrimatika Neanikon 2011 ESSTHX Open Under 12 Thessaloniki GRE 2010-12-26
RcRownchangeKK*chgGame
 1459 1439 0.50 2 -0.45 25 -11.25 
  Doudoulakakis, Ioannis 1594 GRE0.001-0.2925-7.25 
  Sideris, Hristos 1323 GRE0.501-0.1625-4.00 

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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