Individual Calculations November 2011
 Situru, Muhammad Ivan  Total change: -23.60  Rating chartPersonal card
 Indonesia Open Chess Championship 2011 Jakarta INA 2011-10-12
 2281 2314 2.00 8 -2.36 10 -23.60 
  So, Wesley g2655 PHI0.001-0.1210-1.20 
  Laylo, g2534 PHI0.001-0.2210-2.20 
  Hendra, Johan 2216 INA1.0010.37103.70 
  Torre, Eugenio g2520 PHI0.001-0.2410-2.40 
  Sihite, Chelsie Monica wm2100 INA0.001-0.7710-7.70 
  Hidayat, Arifin 2159 INA1.0010.29102.90 
  Kadek, Iin Dwijayanti wc1983 INA0.001-0.8810-8.80 
  Dewi, Aa Citra wf2083 INA0.001-0.7910-7.90 

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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