Individual Calculations March 2012
 Ribero, Guillermo Andres  Total change: -11.25  Rating chartPersonal card
 IRT Liga de Ajedrez de Bogota Enero Bogota COL 2012-01-26
RcRownchangeKK*chgGame
 2021 1834 1.50 5 0.11 15 1.65 
  Estrella Becerra, Fernando 2071 COL0.001-0.2015-3.00 
  Cortes, Maria Angelica 1988 COL1.0010.711510.65 
  Piraquive, Alberto 2029 COL0.001-0.2515-3.75 
  Trujillo, Otoniel 2234  * COL0.001-0.0815-1.20 
  Reyes, Riscanevo 1782 COL0.501-0.0715-1.05 
 * 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)
 
 Open IRT Sub17 Mixto Bogota COL 2012-02-03
RcRownchangeKK*chgGame
 1885 1834 0.00 2 -0.86 15 -12.90 
  Salcedo, Jackeline wf1938 COL0.001-0.3615-5.40 
  Jimenez, Leonardo Andres 1831 COL0.001-0.5015-7.50 

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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