Individual Calculations September 2015
 Silva, David  Total change: -17.20  Rating chartPersonal card
 TACA CUCA BGI 2015 OPEN LUANDA ANG 2015-07-25
RcRownchangeKK*chgGame
 2301 2244 3.50 9 -0.43 40 -17.20 
  Aguiar, Cristiano f2100 ANG1.0010.314012.40 
  Malakhatko, Vadim g2514 BEL0.001-0.1740-6.80 
  Adly, Ahmed g2591 EGY0.001-0.1140-4.40 
  Cambando, Jose c2208 ANG1.0010.454018.00 
  Simoes, Joao c2176 ANG0.501-0.0940-3.60 
  Soares, Erikson Roberto Mauric m2217 ANG0.001-0.5440-21.60 
  Phiri, Richmond m2305 ZAM0.001-0.4240-16.80 
  Alberto, Manuel c2191 ANG1.0010.434017.20 
  Makoto, Rodwell m2403 ZIM0.001-0.2940-11.60 

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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