Individual Calculations August 2012
 Petrakis, Stylianos  Total change: -5.40  Rating chartPersonal card
 Greek Individual Youth Championships 2012 Finals - open under 12 Rio Achaias GRE 2012-06-24
RcRownchangeKK*chgGame
 1467 1566 3.50 6 -0.28 15 -4.20 
  Stefanatos, Gerasimos 1437 GRE0.001-0.6715-10.05 
  Stamatopoulos, Georgios 1341 GRE1.0010.22153.30 
  Dermitzakis, Pavlos 1460 GRE1.0010.36155.40 
  Anthopoulos, Hristos 1663 GRE0.001-0.3715-5.55 
  Toubekis, Panagiotis 1435 GRE0.501-0.1815-2.70 
  Fidrilakis, Stavros 1467 GRE1.0010.36155.40 

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)
 
 5th International open tounrmaent of Paleochora 2012 Paleochora Crete GRE 2012-07-16
RcRownchangeKK*chgGame
 1767 1566 2.00 7 -0.08 15 -1.20 
  Barrenechea Bahamonde, Gustavo 1966  * ESP0.001-0.0815-1.20 
  Ornithopoulos, Nikolaos 1966  * GRE0.001-0.0815-1.20 
  Cafaro, Luca 1914 ITA0.001-0.1115-1.65 
  Barolo, Andrea 1963 ITA0.001-0.0815-1.20 
  Balis, Georgios 1261 GRE1.0010.14152.10 
  Haug, Johannes 1966  * NOR0.001-0.0815-1.20 
  Petraki, Argiro 1334 GRE1.0010.21153.15 
 * 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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