Individual Calculations September 2011
 Sotirakis, Ioannis  Total change: -17.85  Rating chartPersonal card
 9th chess open of Fysiolatris - B' Group Nikaia - Athens GRE 2011-06-16
RcRownchangeKK*chgGame
 1450 1587 1.50 4 -1.18 15 -17.70 
  Foutouhos, Spyridon 1254 GRE1.0010.12151.80 
  Fragkou, Maria 1492 GRE0.501-0.1315-1.95 
  Liris, Orestis 1522 GRE0.001-0.5915-8.85 
  Gouvas, Alexandros 1532 GRE0.001-0.5815-8.70 

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)
 
 4th International Open of Paleochora 2011 Paleochora GRE 2011-07-20
RcRownchangeKK*chgGame
 1804 1587 1.00 5 -0.33 15 -4.95 
  Georgakopoulos, Nikolaos 1987  * GRE0.001-0.0815-1.20 
  Tzolas, Georgios 1987  * GRE1.0010.921513.80 
  Koths, Peter 1922 GER0.001-0.1215-1.80 
  Sakaridis, Emmanouil 1854 GRE0.001-0.1815-2.70 
  Bravos, Panagiotis 1269 GRE0.001-0.8715-13.05 
 * 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)
 
 1st International open "Isthmia" - Vrahati 2011 Group B' Vrahati, Korinthos GRE 2011-08-18
RcRownchangeKK*chgGame
 1562 1587 4.00 7 0.32 15 4.80 
  Theodoropoulos, Nikolaos 1753 GRE1.0010.721510.80 
  Papasimakopoulos, Vasilios 1654 GRE0.001-0.4115-6.15 
  Yarur Elsaca, Daniel 1727 CHI1.0010.691510.35 
  Bakoyannis, Thodoris 1629 GRE0.001-0.4415-6.60 
  Bravos, Panagiotis 1269 GRE1.0010.13151.95 
  Vlahakis, Nikos 1492 GRE0.001-0.6315-9.45 
  Oikonomou, Nikolaos Ch 1407 GRE1.0010.26153.90 

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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