Individual Calculations November 2011
 Simbolon, Firman  Total change: -51.00  Rating chartPersonal card
 Indonesia Open Chess Championship 2011 Jakarta INA 2011-10-12
 2295 2257 1.50 7 -1.70 30 -51.00 
  Cao, Sang g2529 VIE0.001-0.1730-5.10 
  Fier, Alexander g2583 BRA0.001-0.1330-3.90 
  Medina, Warda Aulia wf2112 INA0.501-0.1930-5.70 
  Lindiawati, Evi wc2085 INA1.0010.27308.10 
  Barus, Cerdas g2438 INA0.001-0.2630-7.80 
  Kadek, Iin Dwijayanti wc1983 INA0.001-0.8330-24.90 
  Gu, Xiaobing wg2336 CHN0.001-0.3930-11.70 

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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