Individual Calculations September 2009
 Raptakis, Solon  Total change: 13.95  Rating chartPersonal card
 1st Spring Open SOP - SMAOK Pagrati - Athens GRE 2009-05-08
RcRownchangeKK*chgGame
 2026 2027 4.50 7 0.93 15 13.95 
  Kotrotsos, Vasilios f2351 GRE0.001-0.1315-1.95 
  Georgiopoulos, Har 1922 GRE0.001-0.6415-9.60 
  Dritsoula, E 1847 GRE1.0010.26153.90 
  Nikolaidis, Georgios 1912 GRE1.0010.34155.10 
  Marianidis, Dimitrios 1842 GRE1.0010.26153.90 
  Spiropoulos, Panagiotis I 2114 GRE1.0010.62159.30 
  Kostopoulos, Evaggelos 2196 GRE0.5010.22153.30 

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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