Individual Calculations November 2011
 Aris, T.l.s.  Total change: 51.75  Rating chartPersonal card
 Indonesia Open Chess Championship 2011 Jakarta INA 2011-10-12
 2440 2222 5.50 9 3.45 15 51.75 
  Ahmadinia, Ebrahim m2430 IRI1.0010.771511.55 
  Shabalov, Alexander g2529 USA0.5010.36155.40 
  Gomez, John Paul g2514 PHI0.5010.35155.25 
  Nguyen, Van Huy m2449 VIE0.001-0.2115-3.15 
  Laksana, Agusta f2316 INA1.0010.63159.45 
  Torre, Eugenio g2520 PHI0.001-0.1515-2.25 
  Tunasly, Kifly f2400 INA0.5010.23153.45 
  Sitanggang, Salor m2376 INA1.0010.711510.65 
  Juswanto, Denny m2428 INA1.0010.761511.40 

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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