Rapid: Individual Calculations September 2013
 Sierra, Edwin Andres  Total change: 13.40  Rating chartPersonal card
 III Torneo IRT Activo Club Ajedrez Duitama Duitama COL 2013-08-17
 1934 2127 5.00 6 0.67 20 13.40 
  Silva Suna, Juan Esteban 1751 COL1.0010.09201.80 
  Corredor Castellanos, Camilo 1864 COL1.0010.18203.60 
  Celi, Juan Carlos 1986 COL1.0010.31206.20 
  Nino, Diego 2039 COL1.0010.38207.60 
  Lopez Jimenez, Armando Candido f2212 CUB0.5010.12202.40 
  Rojas, Andrea Lizeth 1752 COL0.501-0.4120-8.20 

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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