Individual Calculations November 2010
 Gouvas, Alexandros  Total change: -20.75  Rating chartPersonal card
 18th Nikaia International Open Chess Tourn. "Honour to National Resistance" 2010 Group B Nikaia - Athens GRE 2010-08-20
RcRownchangeKK*chgGame
 1631 1550 2.00 7 -0.75 25 -18.75 
  Pappas, Alexandros 1712 GRE0.001-0.2925-7.25 
  Litras, Iosif 1707 GRE0.001-0.2925-7.25 
  Karakostas, Dimitrios 1753 GRE1.0010.762519.00 
  Dimitriadis, Panayiotis 1578 GRE0.001-0.4625-11.50 
  Efkarpidis, Stylianos 1616 GRE0.001-0.4125-10.25 
  Lois, Spyridon 1599 GRE1.0010.572514.25 
  Tsouptsis, Sotirios 1455 GRE0.001-0.6325-15.75 
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)
 
 1st Autumn Open Chess Tournament AO Pefkis Pefki, Athens GRE 2010-09-06
RcRownchangeKK*chgGame
 1950 1550 0.00 1 -0.08 25 -2.00 
  Papapetropoulos, Periklis 1950  * GRE0.001-0.0825-2.00 
 * 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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