Individual Calculations April 2008
 Piris, Eduardo  Total change: 2.10  Rating chartPersonal card
 IV Sudamericano Sub 12 Abs Federacion, Entre Rios ARG 2007-12-16
RcRownchangeKK*chgGame
 1927 1907 2.50 5 0.14 15 2.10 
  Barros, Raul Junior f2100 COL0.5010.25153.75 
  Chavez, Nicolas 1682 PAR1.0010.22153.30 
  Abdalla, Jose Lucas 1941 BRA0.5010.05150.75 
  Caceres Recalde, Fernando 1853 ARG0.501-0.0815-1.20 
  Shumyatsky, Victor 2060 BRA0.001-0.3015-4.50 

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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