Individual Calculations April 2009
 Dias, Ivo  Total change: 55.25  Rating chartPersonal card
 IV TORNEIO FECHADO DO VALE VN Famalicão POR 2008-12-19
RcRownchangeKK*chgGame
 1428 1455 7.00 9 2.21 25 55.25 
  Silva, Nuno Miguel 1365 POR0.501-0.1225-3.00 
  Silva, Luis 1487 POR0.001-0.4625-11.50 
  Marinho, Alice 1152 POR1.0010.14253.50 
  Torres, Nelson 1718 POR1.0010.822520.50 
  Ferreira, Pedro 1152 POR1.0010.14253.50 
  Gomes, Rui Pedro 1575 POR0.5010.16254.00 
  Cruz, Joao 1678 POR1.0010.782519.50 
  Silva, Helio 1450 POR1.0010.492512.25 
  Veloso, Joao 1275 POR1.0010.26256.50 

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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