Individual Calculations August 2017
 Tzavaras, Spyridon  Total change: -23.20  Rating chartPersonal card
 2017 Greek Youth Championships - open U12 Rio Achaias GRE 2017-06-26
RcRownchangeKK*chgGame
 1284 1321 2.00 6 -1.31 40 -52.40 
  Fyntrilakis, Kyriakos 1647 GRE0.001-0.1340-5.20 
  Pechlivanidis, Michail 1119 GRE0.501-0.2640-10.40 
  Gavalakis, Dimitrios 1148 GRE0.501-0.2340-9.20 
  Kalamoukos, Grigorios 1331 GRE0.001-0.4940-19.60 
  Zeitounian, Panagiotis 1027 GRE1.0010.15406.00 
  Nasos, Valerios 1433 GRE0.001-0.3540-14.00 

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)
 
 45th Greek Team Championship 2017 - A Category Rio Achaias GRE 2017-07-03
RcRownchangeKK*chgGame
 1382 1281 3.50 7 0.73 40 29.20 
  Thanatis, Thomas 1105 GRE1.0010.274010.80 
  Kazakos, Markos 1681  * GRE0.001-0.0840-3.20 
  Karamitanis, Lazaros 1087 GRE0.501-0.2540-10.00 
  Spyratos, Nikolaos 1514 GRE0.5010.294011.60 
  Magoulas, Dionysios 1150 GRE1.0010.324012.80 
  Simitzoglou, Panos 1498 GRE0.5010.284011.20 
  Papidakis, Georgios 1641 GRE0.001-0.1040-4.00 
 * 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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