Individual Calculations May 2013
 Fernandez Rivero, Karla July  Total change: 14.55  Rating chartPersonal card
 Final Nacional Juvenil Mayabeque CUB 2013-04-14
 1986 2055 4.50 6 0.97 15 14.55 
  Roca Rojas, Ana Flavia 2092 CUB1.0010.55158.25 
  Sanchez Ones, Yeny 2043 CUB0.501-0.0215-0.30 
  Gutierrez Espinosa, Karen wf2007 CUB1.0010.43156.45 
  Rios Cobo, Chabeli 1868 CUB1.0010.26153.90 
  Mencos Castillo, Maria wm1815 GUA1.0010.20153.00 
  Zayas Gonzalez, Laura Amalia 2089 CUB0.001-0.4515-6.75 

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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