Individual Calculations September 2015
 Balakrishnan, Praveen  Total change: 38.80  Rating chartPersonal card
 2015 North American U20 Open Championships Kitchener CAN 2015-07-26
RcRownchangeKK*chgGame
 2257 2226 6.00 9 1.95 40 78.00 
  Xu, Jeffrey c1847 CAN1.0010.09403.60 
  Preotu, Razvan m2452 CAN1.0010.794031.60 
  Cao, Jason f2332 CAN0.5010.14405.60 
  Sohal, Tanraj 2263 CAN1.0010.554022.00 
  Liang, Awonder f2408 USA0.001-0.2640-10.40 
  Shen, Arthur f2339 USA1.0010.654026.00 
  Zhu, Hong Rui c2192 CAN0.501-0.0540-2.00 
  Song, Edward f2290 USA0.001-0.4140-16.40 
  Li, Ben 2188 USA1.0010.454018.00 

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)
 
NOTE: K factor changed
 4th Annual Washington International - Section A Rockville, Maryland USA 2015-08-08
RcRownchangeKK*chgGame
 2268 2309 2.50 8 -1.96 20 -39.20 
  Roiz, Michael g2595 ISR0.001-0.1620-3.20 
  Eswaran, Ashritha 2155 USA1.0010.29205.80 
  Mandizha, Farai m2344 ZIM0.5010.05201.00 
  Gauri, Shankar f2365 IND0.001-0.4220-8.40 
  Zhu, Hong Rui c2190 CAN0.501-0.1620-3.20 
  Kumar, Aravind f2180 USA0.501-0.1720-3.40 
  Zheng, Andrew 2121 USA0.001-0.7420-14.80 
  Jacobson, Brandon c2197 USA0.001-0.6520-13.00 

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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