Individual Calculations January 2009
 Guzman, Oswaldo  Total change: 0.00  Rating chartPersonal card
 America Central and Caribbean Regional Champiomship U- 14 Male San Salvador ESA 2008-08-25
RcRownchangeRpKK*chgGame
 1986 0 1.50 3 0.00 1986   0.00 
  Martinez Romero, Martin 2025 COL0.0010.00 0.00 
  Barros, Raul Junior f2026 COL0.5010.00 0.00 
  Madrigal Bodan, Mariano J. 1908 NCA1.0010.00 0.00 

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)
 

 

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