Individual Calculations September 2015
 Hilby, Craig  Total change: -15.60  Rating chartPersonal card
 2015 US Cadet Rockville, Maryland USA 2015-07-25
RcRownchangeKK*chgGame
 2218 2308 5.50 9 -0.08 20 -1.60 
  Ludwig, John G 2235 USA0.501-0.1020-2.00 
  Wheeler, Cameron f2304 USA0.501-0.0120-0.20 
  Burke, John M 2258 USA0.001-0.5720-11.40 
  Lu, Albert 2239 USA0.501-0.1020-2.00 
  Sheng, Joshua 2187 USA0.501-0.1620-3.20 
  Sinha, Sahil 2137 USA1.0010.27205.40 
  Shi, Jason f2057 USA1.0010.19203.80 
  Niemann, Hans M 2197 USA1.0010.35207.00 
  Checa, Nicolas D f2344 USA0.5010.05201.00 

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)
 
 4th Annual Washington International - Section A Rockville, Maryland USA 2015-08-08
RcRownchangeKK*chgGame
 2308 2367 4.50 9 -0.70 20 -14.00 
  Ulrich, Rachel J wf2184 USA0.501-0.2420-4.80 
  Song, Guannan Terry 2166 CAN0.501-0.2620-5.20 
  Zhu, Hong Rui c2190 CAN1.0010.27205.40 
  Tang, Andrew m2387 USA0.5010.03200.60 
  Chandra, Akshat m2496 USA0.001-0.3320-6.60 
  Ippolito, Dean m2389 USA0.5010.03200.60 
  Kaufman, Larry C g2320 USA1.0010.43208.60 
  Wheeler, Cameron f2321 USA0.501-0.0620-1.20 
  Song, Michael f2319 CAN0.001-0.5720-11.40 

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)
 

 

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