Individual Calculations September 2015
 Song, Guannan Terry  Total change: 174.00  Rating chartPersonal card
 2015 North American U20 Open Championships Kitchener CAN 2015-07-26
RcRownchangeKK*chgGame
 2250 1988 5.50 8 3.97 40 158.80 
  Shen, Arthur f2339 USA0.001-0.1140-4.40 
  Li, Ben 2188 USA1.0010.764030.40 
  Zhu, Hong Rui c2192 CAN0.001-0.2440-9.60 
  Ghatti, Sanjay 2182 USA0.5010.254010.00 
  Hong, Andrew Z 2108 USA1.0010.664026.40 
  Zhang, Yuanchen f2295 CAN1.0010.864034.40 
  Cao, Jason f2332 CAN1.0010.884035.20 
  Wang, Kevin f2363 USA1.0010.914036.40 

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
 2315 2166 2.50 7 0.38 40 15.20 
  Sheng, Joshua 2364 USA0.5010.264010.40 
  Hilby, Craig 2367 USA0.5010.264010.40 
  Checa, Nicolas D f2361 USA0.001-0.2540-10.00 
  Getz, Shelby D f2286 USA0.5010.16406.40 
  Panchanatham, Vignesh f2297 USA0.5010.18407.20 
  Brodsky, David f2283 USA0.5010.16406.40 
  King, Alexander B 2245 USA0.001-0.3940-15.60 

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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