Individual Calculations November 2011
 Sudung, Tampubolon  Total change: -29.10  Rating chartPersonal card
 Indonesia Open Chess Championship 2011 Jakarta INA 2011-10-12
 2338 2252 2.50 9 -0.97 30 -29.10 
  Gomez, John Paul g2514 PHI0.001-0.1830-5.40 
  Gu, Xiaobing wg2336 CHN1.0010.623018.60 
  Tunasly, Kifly f2400 INA0.001-0.3030-9.00 
  Pitra, Andika f2307 INA1.0010.583017.40 
  Guramishvili, Sopiko wg2359 GEO0.5010.15304.50 
  Sitanggang, Salor m2376 INA0.001-0.3330-9.90 
  Margana, Adhi 2204 INA0.001-0.5730-17.10 
  Novita, Anjas f2310 INA0.001-0.4230-12.60 
  Pamungkas, Junaid 2240 INA0.001-0.5230-15.60 

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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