Individual Calculations July 2009
 Kofidis, Andreas  Total change: -8.40  Rating chartPersonal card
 Attica Teams Cup Attica GRE 2009-03-21
RcRownchangeKK*chgGame
 2346 2421 1.50 4 -0.84 10 -8.40 
  Ntaifas, Ioannis 2071 GRE1.0010.11101.10 
  Gesos, Pavlos m2321 GRE0.001-0.6410-6.40 
  Georgiadis, Ioannis m2383 GRE0.501-0.0510-0.50 
  Macieja, Bartlomiej g2607 POL0.001-0.2610-2.60 

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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