Individual Calculations May 2013
 Beitia Amador-Carrandi, Ernesto  Total change: -7.20  Rating chartPersonal card
 Campeonato de Gipuzkoa por Equipos Preferente 2013 San Sebastián ESP 2013-01-12
RcRownchangeKK*chgGame
 1957 1945 0.50 2 -0.48 15 -7.20 
  Torres Ganuza, Fco. Javier 2133 ESP0.001-0.2615-3.90 
  De Andres Andres, Eugenio 1781 ESP0.501-0.2215-3.30 

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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