Individual Calculations September 2009
 Ortega, Ramon Rodrigo Leao  Total change: -6.50  Rating chartPersonal card
 Gambito Open 2009 Aracaju/SE BRA 2009-08-07
RcRownchangeKK*chgGame
 2089 1761 0.00 2 -0.26 25 -6.50 
  Zallio, Luciano Souza 2044 BRA0.001-0.1625-4.00 
  Carvalho, Antonio Azevedo De 2133 BRA0.001-0.1025-2.50 

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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