Individual Calculations July 2008
 Feidakis, Andreas  Total change: 3.50  Rating chartPersonal card
 Training tournmanet SOP SMAOK winter 2008 Athens GRE 2008-02-05
RcRownchangeKK*chgGame
 1806 1907 2.00 3 0.14 25 3.50 
  Sitzakis, Efstratios 2094 GRE0.001-0.2625-6.50 
  Zygourakis, Themistoklis 1674 GRE1.0010.21255.25 
  Soursos, Panayotis 1651 GRE1.0010.19254.75 

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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