Individual Calculations April 2009
 Salas Martin, Javier  Total change: 7.00  Rating chartPersonal card
 XVII Open Internacional de Ajedrez Ayuntamiento de Erandio Erandio (Vizcaya) ESP 2008-12-20
 1943 1740 1.00 3 0.28 25 7.00 
  Montolio Benedicto, Cesar 1987 ESP1.0010.812520.25 
  Martinez Pelaez, David 1971 ESP0.001-0.2125-5.25 
  Zabala Perez, Aritz 1872 ESP0.001-0.3225-8.00 

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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