Individual Calculations October 2015
 Giatrakos, Orestis  Total change: 41.60  Rating chartPersonal card
 7th "PAPANASTASIO" open - A group Peristeri GRE 2015-09-07
RcRownchangeKK*chgGame
 1777 1554 2.50 6 1.04 40 41.60 
  Krallis, Christos 1861 GRE1.0010.864034.40 
  Vazelakis, Dimitrios 1954  * GRE0.001-0.0840-3.20 
  Alexakis, Dimitris 1771 GRE0.5010.284011.20 
  Karakatsanis, Nikolaos 1870 GRE0.001-0.1340-5.20 
  Theodosopoulos, Konstantinos 1407 GRE1.0010.304012.00 
  Giannopoulos, Antonios 1800 GRE0.001-0.1940-7.60 
 * 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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