Individual Calculations August 2013
 Vrettos, Augoustinos  Total change: 52.35  Rating chartPersonal card
 21st open SOP-SMAOK under 1900 Athens - Pagkrati GRE 2013-05-10
RcRownchangeKK*chgGame
 1767 1596 2.50 5 1.11 15 16.65 
  Nikolaidou, Eleni 1867 GRE0.001-0.1715-2.55 
  Antoniadis, Konstantinos 1768 GRE0.5010.23153.45 
  Tourkolias, Dimitrios 1763 GRE1.0010.721510.80 
  Arvanitis, Georgios 1767 GRE0.001-0.2715-4.05 
  Poupalos, Konstantinos 1669 GRE1.0010.60159.00 

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)
 
 11th fysiolatriko open - EOAO Fysiolatris Nikaias - A' Group Athens - Nikaia GRE 2013-06-19
RcRownchangeKK*chgGame
 1817 1596 4.50 9 2.38 15 35.70 
  Nikolaidou, Eleni 1873 GRE1.0010.831512.45 
  Grigoriadis, Mihail 1912 GRE0.001-0.1315-1.95 
  Zahariou, Nikolaus 1730 GRE1.0010.681510.20 
  Fessas, Prokopios 1996  * GRE0.001-0.0815-1.20 
  Kabanis, Nikolaos 1758 GRE0.5010.21153.15 
  Papadopoulos, Asterios 1709 GRE1.0010.65159.75 
  Roinos, Ilias 1891 GRE0.001-0.1515-2.25 
  Bitsanis, Georgios 1635 GRE1.0010.55158.25 
  Zervos, Lazaros 1853 GRE0.001-0.1815-2.70 
 * 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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