Individual Calculations November 2011
 Hamdani, Rudin  Total change: 25.50  Rating chartPersonal card
 Indonesia Open Chess Championship 2011 Jakarta INA 2011-10-12
 2444 2296 4.50 9 1.70 15 25.50 
  Zhao, Jun g2587 CHN0.5010.35155.25 
  Antonio, Rogelio Jr g2564 PHI0.5010.33154.95 
  Ahmadinia, Ebrahim m2430 IRI0.5010.18152.70 
  Juswanto, Denny m2428 INA1.0010.681510.20 
  Laylo, g2534 PHI0.001-0.2015-3.00 
  Barus, Cerdas g2438 INA0.5010.19152.85 
  Dimakiling, Oliver m2413 PHI0.001-0.3415-5.10 
  Lioe, Dede m2402 INA0.5010.14152.10 
  Margana, Adhi 2204 INA1.0010.37155.55 

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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