Individual Calculations November 2011
 Jafar, Sofyan  Total change: 90.90  Rating chartPersonal card
 Indonesia Open Chess Championship 2011 Jakarta INA 2011-10-12
 2429 2195 5.00 9 3.03 30 90.90 
  Lioe, Dede m2402 INA1.0010.773023.10 
  Gomez, John Paul g2514 PHI0.5010.373011.10 
  Shabalov, Alexander g2529 USA0.001-0.1230-3.60 
  Laksana, Agusta f2316 INA0.5010.16304.80 
  Juswanto, Denny m2428 INA0.001-0.2130-6.30 
  Emperado, Emmanuel 2294 PHI1.0010.643019.20 
  , Tirto m2322 INA1.0010.673020.10 
  Torre, Eugenio g2520 PHI1.0010.873026.10 
  Laylo, g2534 PHI0.001-0.1230-3.60 

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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