Individual Calculations July 2010
 Williams, Justus D  Total change: -38.75  Rating chartPersonal card
 New York May Open New York, New York USA 2010-05-29
RcRownchangeKK*chgGame
 2131 2239 3.00 4 0.48 25 12.00 
  Paciulli, Frank R 1932 USA1.0010.14253.50 
  Ostrovskiy, Aleksandr c2254 USA0.001-0.4825-12.00 
  Tom, George 2055 USA1.0010.26256.50 
  Korley, Kassa 2284 USA1.0010.562514.00 

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)
 
 3rd Ney York International New York, New York USA 2010-06-18
RcRownchangeKK*chgGame
 2241 2239 1.50 7 -2.03 25 -50.75 
  De Firmian, Nick E g2549 USA0.001-0.1425-3.50 
  Bellaiche, Anthony m2442 FRA0.001-0.2425-6.00 
  Liu, Elliott J f2305 USA0.001-0.4125-10.25 
  Ryba, Andrew 2094 USA0.001-0.6925-17.25 
  Leve, Nitai D 2117 USA0.501-0.1725-4.25 
  Frumkin, Edward A 2002 USA1.0010.20255.00 
  Barrett, Steven 2181 ENG0.001-0.5825-14.50 

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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