Individual Calculations March 2011
 Alexiadis, Hristos  Total change: -25.75  Rating chartPersonal card
 2010 Attica Team Championship Under 12 Attica GRE 2010-09-12
RcRownchangeKK*chgGame
 1610 1534 0.50 2 -0.30 25 -7.50 
  Kalofonos, Panayotis 1610 GRE0.5010.10252.50 
  Kalofonos, Panayotis 1610 GRE0.001-0.4025-10.00 

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)
 
 Attica Individual Youth Ch. 2011 - Boys U12 Athens GRE 2010-12-23
RcRownchangeKK*chgGame
 1621 1520 0.00 2 -0.73 25 -18.25 
  Papadopoulos, Asterios 1594 GRE0.001-0.4025-10.00 
  Korniotis, Filippos 1647 GRE0.001-0.3325-8.25 

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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