Individual Calculations November 2010
 Psoma, Virginia  Total change: -34.00  Rating chartPersonal card
 18th Nikaia International Open Chess Tourn. "Honour to National Resistance" 2010 Group B Nikaia - Athens GRE 2010-08-20
RcRownchangeKK*chgGame
 1634 1504 2.00 7 -0.31 25 -7.75 
  Athanasopoulos, Stavros 1735 GRE0.001-0.2125-5.25 
  Galanis, Evangelos 1709 GRE0.5010.26256.50 
  Asimakopoulos, Anastasios 1666 GRE0.001-0.2925-7.25 
  Gikas, Vasilios 1563 GRE0.5010.08252.00 
  Alexakis, Georgios 1582 GRE1.0010.612515.25 
  Alexiou, Dimitrios 1607 GRE0.001-0.3625-9.00 
  Iliopoulou, Elisavet 1579 GRE0.001-0.4025-10.00 

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)
 
 107th Ambelokipi Open Ambelokipi - Athens GRE 2010-09-12
RcRownchangeKK*chgGame
 1687 1504 0.50 5 -1.05 25 -26.25 
  Kostopoulos, Vasilios 1904  * GRE0.001-0.0825-2.00 
  Arvanitis, Georgios 1788 GRE0.001-0.1625-4.00 
  Vazelakis, Dimitrios 1904  * GRE0.5010.422510.50 
  Kalaitzis, Evangelos 1461 GRE0.001-0.5625-14.00 
  Pramateftaki, Aspasia 1379 GRE0.001-0.6725-16.75 
 * 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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