Individual Calculations September 2015
 Song, Edward  Total change: 14.20  Rating chartPersonal card
 2015 North American U20 Open Championships Kitchener CAN 2015-07-26
RcRownchangeKK*chgGame
 2209 2290 6.00 9 0.66 20 13.20 
  Nasir, Pi 1890  * CAN1.0010.08201.60 
  He, Samuel Fei 2083 USA0.501-0.2720-5.40 
  Hong, Andrew Z 2108 USA0.501-0.2420-4.80 
  Chen, Richard c2082 CAN1.0010.23204.60 
  Preotu, Razvan m2452 CAN1.0010.712014.20 
  Wang, Kevin f2363 USA0.5010.10202.00 
  Krishnan, Varun 2314 USA0.5010.03200.60 
  Balakrishnan, Praveen 2226 USA1.0010.41208.20 
  Viswanadha, Kesav m2367 USA0.001-0.3920-7.80 
 * 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)
 
 4th Annual Washington International - Section A Rockville, Maryland USA 2015-08-08
RcRownchangeKK*chgGame
 2295 2290 4.50 9 0.05 20 1.00 
  Chandra, Akshat m2496 USA1.0010.762015.20 
  Li, Ruifeng f2408 USA0.001-0.3420-6.80 
  Sorkin, Igor 2378 ISR0.001-0.3820-7.60 
  Zheng, Andrew 2121 USA0.001-0.7220-14.40 
  Nydick, Brandon 2133 USA0.501-0.2120-4.20 
  Jacobson, Aaron 2231 USA1.0010.42208.40 
  Eswaran, Ashritha 2155 USA1.0010.32206.40 
  Getz, Shelby D f2286 USA0.501-0.0120-0.20 
  Bakre, Tejas g2449 IND0.5010.21204.20 

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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