Individual Calculations November 2011
 Margana, Adhi  Total change: 17.40  Rating chartPersonal card
 Indonesia Open Chess Championship 2011 Jakarta INA 2011-10-12
 2339 2204 3.50 9 0.58 30 17.40 
  Juswanto, Denny m2428 INA0.5010.28308.40 
  Ahmadinia, Ebrahim m2430 IRI0.001-0.2130-6.30 
  Laksana, Agusta f2316 INA0.001-0.3530-10.50 
  Mahmud, Syarif f2315 INA1.0010.653019.50 
  Irwanto, Sadikin m2429 INA0.001-0.2230-6.60 
  Novita, Anjas f2310 INA1.0010.643019.20 
  Sudung, Tampubolon 2252 INA1.0010.573017.10 
  Kaisar, Jenius Hakiki 2272 INA0.001-0.4130-12.30 
  Hamdani, Rudin f2296 INA0.001-0.3730-11.10 

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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