Individual Calculations February 2019
 Dereka, Konstantina  Total change: -54.80  Rating chartPersonal card
 41st International Tournament White Tower 2019 B group Thessaloniki GRE 2019-01-02
 1495 1473 1.50 6 -1.37 40 -54.80 
  Giannopoulos, Ioannis 1763 GRE0.5010.344013.60 
  Hosseini-Tambatambai, Areios 1699 GRE0.001-0.2140-8.40 
  Chatziioannidis, Theofylaktos 1513 GRE0.001-0.4440-17.60 
  Georgiadis, Athanasios Kat 1320 GRE1.0010.304012.00 
  Tsilidis, Christos 1307 GRE0.001-0.7240-28.80 
  Gkaripis, Marios Ilias 1367 GRE0.001-0.6440-25.60 

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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