Individual Calculations March 2011
 Serefidou, Despina  Total change: 27.15  Rating chartPersonal card
 2011 Individual Championship of Greece - Girls Under 18 Peristeri - Athens GRE 2011-01-03
RcRownchangeKK*chgGame
 1760 1663 4.00 8 0.96 15 14.40 
  Vatkali, Dimitra 1969 GRE0.5010.36155.40 
  Kipraki, Nikoleta 1647 GRE0.501-0.0215-0.30 
  Kokkota, Eleni 1538 GRE1.0010.33154.95 
  Skaraki, Antigoni 1792 GRE1.0010.671510.05 
  Papathanasiou, Ageliki 1848 GRE0.001-0.2615-3.90 
  Fragkou, Eleni 1914 GRE0.001-0.1915-2.85 
  Salahidi, Reveka 1610 GRE1.0010.43156.45 
  Tsarouha, Marianthi 1762 GRE0.001-0.3615-5.40 

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)
 
 33th International open Bulgarian chess championship Plovdiv BUL 2011-01-30
RcRownchangeKK*chgGame
 1951 1663 2.00 7 0.85 15 12.75 
  Dobrev, Nanko m2063  * BUL0.001-0.0815-1.20 
  Sofranov, Velizar 2047 BUL0.001-0.0915-1.35 
  Garnizov, Ivan 1938 BUL0.5010.33154.95 
  Stankov, Apostol 1942 BUL0.001-0.1615-2.40 
  Lao, Lenath 1905 FRA1.0010.801512.00 
  Churchulov, Kostadin 1828 BUL0.001-0.2815-4.20 
  Dizdarevic, Barbara 1937 SRB0.5010.33154.95 
 * 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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