Individual Calculations December 2012
 Portillo Alcalde, Jose Maria  Total change: -5.55  Rating chartPersonal card
 Campeonato Regional por Equipos Murcia 2012–Segunda Division Murcia ESP 2012-10-06
 1604 1583 2.00 5 -0.37 15 -5.55 
  Tomas Alonso, Francisco J. 1472 ESP1.0010.35155.25 
  De La Calle Fuentes, Sergio 1706 ESP0.001-0.3315-4.95 
  Rioja Rodriguez, Benito 1802 ESP0.001-0.2215-3.30 
  Martinez Peran, Sofia 1500 ESP1.0010.39155.85 
  Llamas Guevara, Francisco Jose 1541 ESP0.001-0.5615-8.40 

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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