Individual Calculations July 2011
 Kontarinis, Andreas  Total change: -42.15  Rating chartPersonal card
 113rd Ambelokipi Open Ambelokipi - Athens GRE 2011-05-07
RcRownchangeKK*chgGame
 1871 1840 2.00 6 -0.77 15 -11.55 
  Delithanasis, Dimitrios 2153 GRE0.001-0.1415-2.10 
  Koutsidis, Achilleas 1514 GRE1.0010.13151.95 
  Karountzos, Nikolaos 2097 GRE0.001-0.1815-2.70 
  Maratos, Antonios 1730 GRE1.0010.35155.25 
  Papapetropoulos, Periklis 1998 GRE0.001-0.2915-4.35 
  Stavrakas, Ioannis 1735 GRE0.001-0.6415-9.60 

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)
 
 14th chess open of Heraklion Attikis 2011 - A' Group Heraklion Attikis GRE 2011-06-11
RcRownchangeKK*chgGame
 1756 1840 3.50 9 -2.04 15 -30.60 
  Tsiamis, Konstantinos f2240  * GRE0.001-0.0815-1.20 
  Papasimakopoulos, Vasilios 1597 GRE0.001-0.8015-12.00 
  Salahidi, Reveka 1614 GRE1.0010.21153.15 
  Grigoriadis, Mihail 1709 GRE1.0010.32154.80 
  Papadimitriou, Loukas 2105 GRE0.001-0.1815-2.70 
  Kouskoutis, Georgios-Alexandros 1676 GRE0.001-0.7215-10.80 
  Tsironis, Leonidas 1776 GRE0.001-0.5915-8.85 
  Douni, Maria 1493 GRE0.501-0.3915-5.85 
  Kalogridakis, Theodoros 1593 GRE1.0010.19152.85 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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