Individual Calculations November 2011
 Abubakar, Nurdin  Total change: -37.80  Rating chartPersonal card
 Indonesia Open Chess Championship 2011 Jakarta INA 2011-10-12
 2323 2191 1.00 7 -1.26 30 -37.80 
  Tunasly, Kifly f2400 INA0.001-0.2330-6.90 
  Novita, Anjas f2310 INA0.5010.16304.80 
  Turqueza, Mari Joseph 2274 PHI0.5010.11303.30 
  Sonjaya, Deni f2313 INA0.001-0.3330-9.90 
  , Tirto m2322 INA0.001-0.3230-9.60 
  Gu, Xiaobing wg2336 CHN0.001-0.3130-9.30 
  Gunawan, Johan f2308 INA0.001-0.3430-10.20 

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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