Individual Calculations July 2009
 Rivera, Alberto  Total change: -4.90  Rating chartPersonal card
 IRT Juan Mila Inmemorian ABS Bogota COL 2009-04-08
RcRownchangeKK*chgGame
 2127 2361 6.50 9 -0.49 10 -4.90 
  Carvajal Doria, Alvaro 2011 COL1.0010.11101.10 
  Otero, Daniel 2078 COL0.501-0.3410-3.40 
  Portnoy Cruz, Ivan Adolfo 2011 COL1.0010.11101.10 
  Sanchez Maya, Simon 2164 COL0.001-0.7510-7.50 
  Suarez, Walter Camilo 2011 COL1.0010.11101.10 
  Fonseca, Carlos Arturo 2082 COL1.0010.16101.60 
  Mateus, Alejandro 2220 COL1.0010.31103.10 
  Becerra, Juan David 2194 COL1.0010.28102.80 
  Mosquera, Miguel m2375 COL0.001-0.4810-4.80 

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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