Individual Calculations November 2011
 Sonjaya, Deni  Total change: 7.50  Rating chartPersonal card
 Indonesia Open Chess Championship 2011 Jakarta INA 2011-10-12
 2405 2313 4.00 9 0.50 15 7.50 
  Ganguly, Surya Shekhar g2631 IND0.001-0.1315-1.95 
  Panggabean, Hasian 2199 INA0.001-0.6615-9.90 
  Suhendra, Andi Supardi m2242 INA1.0010.40156.00 
  Abubakar, Nurdin 2191 INA1.0010.33154.95 
  Dimakiling, Oliver m2413 PHI1.0010.64159.60 
  Bitoon, Richard m2504 PHI0.001-0.2515-3.75 
  Barus, Cerdas g2438 INA1.0010.671510.05 
  Reinderman, Dimitri g2594 NED0.001-0.1615-2.40 
  Irwanto, Sadikin m2429 INA0.001-0.3415-5.10 

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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