Individual Calculations April 2008
 Kalogiannis, Andreas  Total change: -10.25  Rating chartPersonal card
 Bikou Cup 1st Division Attica GRE 2007-11-04
RcRownchangeKK*chgGame
 1972 1975 1.50 3 0.04 25 1.00 
  Bozinakis, Pavlos 2121 GRE0.5010.20255.00 
  Agiorgitis, Petros 1659 GRE1.0010.13253.25 
  Efthimiatos, Georgios 2137 GRE0.001-0.2925-7.25 

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)
 
 Attica Teams Cup 2008 Attica GRE 2008-01-26
RcRownchangeKK*chgGame
 2013 1975 0.00 1 -0.45 25 -11.25 
  Skourtis, Efstratios 2013 GRE0.001-0.4525-11.25 

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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