Individual Calculations November 2011
 Irwanto, Sadikin  Total change: -10.50  Rating chartPersonal card
 8th IGB Dato’ Arthur Tan Malaysia Open Chess Championship 2011 Kuala Lumpur MAS 2011-08-17
RcRownchangeKK*chgGame
 2329 2417 4.50 8 -0.30 10 -3.00 
  Siew, Kit-Tze Mark 2017  * MAS1.0010.08100.80 
  Bai, Jinshi 2151 CHN0.501-0.3210-3.20 
  Wallis, Christopher f2287 AUS1.0010.32103.20 
  Cao, Sang g2533 VIE0.5010.16101.60 
  Wen, Yang g2558 CHN0.5010.19101.90 
  Lane, Gary W. m2369 AUS0.501-0.0710-0.70 
  Morris, James m2300 AUS0.501-0.1610-1.60 
  Yu, Lie m2414 CHN0.001-0.5010-5.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 Indonesia Open Chess Championship 2011 Jakarta INA 2011-10-12
RcRownchangeKK*chgGame
 2319 2429 5.00 9 -0.75 10 -7.50 
  Hendra, Johan 2216 INA1.0010.23102.30 
  Li, Chao B g2710 CHN0.001-0.1610-1.60 
  Surya, Wahyudi 2255 INA0.001-0.7310-7.30 
  Dewi, Aa Citra wf2083 INA0.501-0.3910-3.90 
  Margana, Adhi 2204 INA1.0010.22102.20 
  Marentek, Hanny f2227 INA1.0010.24102.40 
  Reinderman, Dimitri g2594 NED0.5010.22102.20 
  Khairul, Anam f2266 INA0.001-0.7210-7.20 
  Sonjaya, Deni f2313 INA1.0010.34103.40 

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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