Individual Calculations May 2019
 Sierra Fonseca, Edwin Andres  Total change: 24.60  Rating chartPersonal card
 Campeonato Nacional de Ajedrez Amateur 2019 Absoluto Categoria Sub2300 Pereira COL 2019-03-21
 2060 2212 6.00 7 1.23 20 24.60 
  Cadavid, Juan Miguel 2001 COL1.0010.23204.60 
  Agudelo, Carlos Daniel 2049 COL1.0010.28205.60 
  Soto, Cristian Camilo 2091 COL1.0010.34206.80 
  Garavito, Miguel Angel f2299 COL1.0010.622012.40 
  Lozano Ramirez, Nestor Favian f2187 COL0.001-0.5320-10.60 
  Pardo, Aurelio 1979 COL1.0010.21204.20 
  Lopez Rayo, Santiago c1816 COL1.0010.08201.60 

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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