Individual Calculations May 2013
 Alberdi Jarit, Gaizka  Total change: 6.30  Rating chartPersonal card
 Campeonato de Gipuzkoa por Equipos Preferente 2013 San Sebastián ESP 2013-01-12
 1744 1586 0.50 1 0.21 30 6.30 
  Axpe Goikoetxea, Javier 1744 ESP0.5010.21306.30 

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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