Individual Calculations October 2008
 Iatros, Aristidis  Total change: -15.30  Rating chartPersonal card
 Team Cup Attica Friendship "Nikolaos Strofalis" 2008 Attica GRE 2008-03-16
RcRownchangeKK*chgGame
 1911 1906 2.00 3 0.51 15 7.65 
  Barbagiannis, Panayotis 1900 GRE1.0010.49157.35 
  Solias, Georgios 2027 GRE0.001-0.3415-5.10 
  Stathopoulos, Fotios 1806 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)
 
 IKAROS CHESS FEST. 2008 - AEGEAN OPEN CHAMP. 2008 AG. KIRIKOS GRE 2008-07-12
RcRownchangeKK*chgGame
 1954 1896 0.00 2 -0.90 15 -13.50 
  Raeva, Elitsa wf2246 BUL0.001-0.1115-1.65 
  Efkarpidis, Stylianos 1661 GRE0.001-0.7915-11.85 

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)
 
 16th Inter. Open Tournament "Honor to National Resistance" Nikaia - Athens GRE 2008-08-25
RcRownchangeKK*chgGame
 1799 1896 0.00 1 -0.63 15 -9.45 
  Kogias, Antonios 1799 GRE0.001-0.6315-9.45 

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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