Rapid: Individual Calculations August 2017
 Sierra, Edwin Andres  Total change: 8.20  Rating chartPersonal card
 Campeonato Nacional de Ajedrez RAPIDO Absoluto por Equipos Ibague COL 2017-07-22
 2101 2184 4.00 6 0.41 20 8.20 
  Vallejo, Sixto 1822 COL1.0010.10202.00 
  Cardenas, Alejandro c2023 COL1.0010.29205.80 
  Lozano, Nestor Favian f2269 COL0.001-0.3820-7.60 
  Valdeblanquez, Jeiner Jair 2026 COL1.0010.29205.80 
  Barrientos, Sergio E g2432 COL0.001-0.1920-3.80 
  Culma, Ruben f2036 COL1.0010.30206.00 

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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