Individual Calculations September 2015
 Kaufman, Larry C  Total change: -13.90  Rating chartPersonal card
 5th Annual Potomac Open Rockville, Maryland USA 2015-07-31
RcRownchangeKK*chgGame
 2118 2317 3.00 4 -0.01 10 -0.10 
  Sinha, Sahil 2137 USA1.0010.26102.60 
  Zimmer, Ralph f2230 USA0.501-0.1210-1.20 
  Shen, Christopher Y c2058 USA0.501-0.3210-3.20 
  Phillips, Jeff 2047 USA1.0010.17101.70 

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
 2279 2320 2.50 7 -1.38 10 -13.80 
  Zheng, Andrew 2121 USA1.0010.24102.40 
  Arun Prasad, S. g2503 IND0.001-0.2610-2.60 
  Kumar, Aravind f2180 USA1.0010.31103.10 
  Ruiz C, Joshua D m2390 COL0.001-0.4010-4.00 
  Hilby, Craig 2367 USA0.001-0.4310-4.30 
  Yu, Jennifer R wf2193 USA0.501-0.1710-1.70 
  Jacobson, Brandon c2197 USA0.001-0.6710-6.70 

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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