Individual Calculations March 2012
 Petrakis, Stylianos  Total change: -0.45  Rating chartPersonal card
 Individual Championship of Crete U18 2011 Crete island GRE 2011-12-20
RcRownchangeKK*chgGame
 1705 1597 2.00 5 0.05 15 0.75 
  Liodakis, Konstantinos-Spyros 1997  * GRE0.001-0.0815-1.20 
  Alevrakis, Michail 1331 GRE1.0010.18152.70 
  Pissadakis, Dimitrios 1475 GRE1.0010.33154.95 
  Sandalakis, Nikolaos 1959 GRE0.001-0.1015-1.50 
  Hnaras, Foivos 1763 GRE0.001-0.2815-4.20 
 * 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)
 
 4th open tournament SO Herakliou - Group A' Heraklio GRE 2012-01-03
RcRownchangeKK*chgGame
 1960 1560 0.00 1 -0.08 15 -1.20 
  Pappas, Konstantinos 1960  * GRE0.001-0.0815-1.20 
 * 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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