Individual Calculations May 2010
 Zonidis, Petros  Total change: 9.50  Rating chartPersonal card
 B' CATEGORY TEAM CHAMP. ESSTH-H Thessaloniki-Halkidiki GRE 2010-01-24
RcRownchangeKK*chgGame
 1775 1749 3.00 5 0.65 25 16.25 
  Makridis, Nikolaos-Lazaros 1715 GRE0.001-0.5525-13.75 
  Hrisostomidis, Alkiviadis 1789 GRE1.0010.562514.00 
  Psaltis, Aristidis 1754 GRE1.0010.512512.75 
  Maronidis, Anastasios 1617 GRE0.501-0.1825-4.50 
  Ntelopoulos, Ioannis 2002 GRE0.5010.31257.75 

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)
 
 3rd Triandria Open Spring Tournament Thessaloniki GRE 2010-04-06
RcRownchangeKK*chgGame
 1539 1749 0.50 1 -0.27 25 -6.75 
  Hatzopoulos, Alexandros 1539 GRE0.501-0.2725-6.75 

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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