Individual Calculations September 2013
 Bastos, Werton Alvarenga  Total change: 12.90  Rating chartPersonal card
 Taca Cidade de Teresina 2013 Teresina/PI BRA 2013-08-16
RcRownchangeKK*chgGame
 2143 2059 2.00 4 0.43 30 12.90 
  Reis, Paulo, F Jatoba De Oli f2407 BRA0.001-0.1130-3.30 
  Feitosa, Airton Jose Tajra 1739 BRA1.0010.13303.90 
  Valle, Adriano f2257 BRA0.5010.26307.80 
  Januario, Severino Pereira c2168 BRA0.5010.15304.50 

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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