Individual Calculations September 2013
 Vega Viejo, Marcelino  Total change: -16.80  Rating chartPersonal card
 Open Sub 2200 Grupo Covadonga Gijon ESP 2013-07-26
 1990 2146 1.00 3 -1.12 15 -16.80 
  Busto Prendes, Abel 1978 ESP1.0010.28154.20 
  Vinuela Diaz, Saul 2023 ESP0.001-0.6715-10.05 
  Salvador Cabo, Cesar 1968 ESP0.001-0.7315-10.95 

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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