Individual Calculations July 2009
 Saidy Ayala, Daraima Diana  Total change: 7.00  Rating chartPersonal card
 LV Campeonato Nacional Abierto de Ajedrez (1ra. Fuerza) Toluca, Edo. de Mexico MEX 2009-04-07
RcRownchangeKK*chgGame
 1942 1592 0.50 2 0.28 25 7.00 
  Zavalza Ramirez, Ivan J 1942 MEX0.001-0.1125-2.75 
  Gutierrez Mancillas, Alici wf1942 MEX0.5010.39259.75 

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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