Individual Calculations January 2009
 Georgiadis, Alexandros  Total change: 12.75  Rating chartPersonal card
 Territorial Team Champ. Western Greece 2008 - A' Phase Corfu GRE 2008-09-18
RcRownchangeKK*chgGame
 1860 1950 1.00 1 0.38 25 9.50 
  Basios, Athanasios 1860 GRE1.0010.38259.50 

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)
 
 Territorial Team Champ. of Western Greece - B' Phase Ioannina GRE 2008-09-26
RcRownchangeKK*chgGame
 2042 1950 0.50 1 0.13 25 3.25 
  Papageorgiou, Ioannis 2042 GRE0.5010.13253.25 

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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