Blitz: Individual Calculations September 2013
 Sierra, Edwin Andres  Total change: 22.40  Rating chartPersonal card
 VII Torneo IRT Blitz Club Ajedrez Duitama Duitama COL 2013-08-18
 1990 2208 6.50 7 1.12 20 22.40 
  Moreno, Julian David 1866 COL1.0010.12202.40 
  Nino, Diego 1950 COL1.0010.18203.60 
  Fonseca Pinto, Carlos Arturo 2097 COL1.0010.35207.00 
  Corredor, Fabian 2067 COL1.0010.31206.20 
  Diaz, Jose Joaquin 2062 COL0.501-0.2020-4.00 
  Torres, Carlos Andres 2001 COL1.0010.23204.60 
  Garcia, John Fredy 1888 COL1.0010.13202.60 

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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