Rapid: Individual Calculations February 2017
 Sierra, Edwin Andres  Total change: 22.00  Rating chartPersonal card
 Torneo IRT Feria Duitama 2017 Alcaldia Municiapal Organizacion deportiva P&H Liga Ajedrez de Boyaca Duitama COL 2017-01-07
 2079 2162 6.50 9 1.10 20 22.00 
  Gonzalo, Acero 2007 COL1.0010.29205.80 
  Corredor, Ismael 1821 COL1.0010.12202.40 
  Cuesta, Cifuentes Jair Alfonso 1901 COL1.0010.18203.60 
  Mosquera, Miguel m2408 COL0.001-0.1920-3.80 
  Abril, Mauricio 1993 COL1.0010.28205.60 
  Castillo, Ricardo 1959 COL1.0010.24204.80 
  Corradine, Jorge Ricardo 2204 COL0.5010.06201.20 
  Martinez, Romero Martin m2381 COL0.001-0.2220-4.40 
  Castillo, Helberth 2041 COL1.0010.34206.80 

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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