Individual Calculations November 2011
 Surya, Wahyudi  Total change: 37.95  Rating chartPersonal card
 Indonesia Open Chess Championship 2011 Jakarta INA 2011-10-12
 2484 2255 4.50 9 2.53 15 37.95 
  Torre, Eugenio g2520 PHI1.0010.821512.30 
  Bitoon, Richard m2504 PHI0.001-0.1915-2.85 
  Irwanto, Sadikin m2429 INA1.0010.731510.95 
  Cao, Sang g2529 VIE0.5010.33154.95 
  Reinderman, Dimitri g2594 NED1.0010.881513.20 
  Laylo, g2534 PHI0.001-0.1615-2.40 
  Gomez, John Paul g2514 PHI0.001-0.1815-2.70 
  Sukandar, Irine Kharisma wg2330 INA0.001-0.4015-6.00 
  Lioe, Dede m2402 INA1.0010.701510.50 

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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