Individual Calculations July 2009
 Papadopoulos, Georgios  Total change: 4.65  Rating chartPersonal card
 2o open asopdias 2009 Petroupoli - Athens GRE 2009-03-21
RcRownchangeKK*chgGame
 1860 1664 1.50 5 0.11 15 1.65 
  Panagiotopoulos, Alexandros 2014 GRE0.001-0.1115-1.65 
  Apostolidis, Ioannis 1981 GRE0.5010.37155.55 
  Tsiros, Fragkiskos Vlasios 1497 GRE1.0010.28154.20 
  Koumpenas, Mihail 2014 GRE0.001-0.1115-1.65 
  Nteves, Stamatios 1794 GRE0.001-0.3215-4.80 

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)
 
 2009 Attica mixed Youth Teams Champ. Boys & Girls U16 Attica GRE 2009-03-22
RcRownchangeKK*chgGame
 1549 1664 3.00 3 1.03 15 15.45 
  Panagos, Theodoros 1585 GRE1.0010.39155.85 
  Xanthopoulos, Vasilios 1564 GRE1.0010.36155.40 
  Noutsos, Stamoulis 1497 GRE1.0010.28154.20 

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)
 
 Easter Tournament 2009 PS Peristeriou Peristeri - Athens GRE 2009-04-21
RcRownchangeKK*chgGame
 1949 1700 0.50 3 -0.11 15 -1.65 
  Sideris, Theodoros 2050 GRE0.001-0.1115-1.65 
  Tasoulas, Georgios 1970 GRE0.5010.33154.95 
  Terzidaki, Alexandra 1828 GRE0.001-0.3315-4.95 

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)
 
 5th World School Chess Championship - Open U11 Thessaloniki GRE 2009-04-27
RcRownchangeKK*chgGame
 1776 1700 0.50 3 -0.72 15 -10.80 
  Gouloutis, Nikolaos 1590 GRE0.001-0.6515-9.75 
  Ali Marandi, Cemil Can f1947 TUR0.5010.31154.65 
  Lee, Kai Jie Edward 1791 SIN0.001-0.3815-5.70 

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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