Individual Calculations July 2008
 Berg, George P  Total change: -29.10  Rating chartPersonal card
 World Amateur Team Parsippany, New Jersey USA USA 2008-02-16
RcRownchangeKK*chgGame
 2124 2128 1.00 2 -0.01 15 -0.15 
  Fleischman, Eric 2111 USA0.501-0.0215-0.30 
  Cohen, Harry 2137 USA0.5010.01150.15 

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)
 
 51st Nassau FIDE Futurity Mineola, New York USA 2008-03-24
RcRownchangeKK*chgGame
 2031 2128 4.50 9 -1.07 15 -16.05 
  Chipkin, Leonard B 2083 USA1.0010.44156.60 
  Paciulli, Frank R 1992 USA0.501-0.1815-2.70 
  Tamarkin, Lawrence 2164 USA0.001-0.4515-6.75 
  Zilbermintz, Lev 2007 USA0.501-0.1615-2.40 
  Lima, Louis 1964 USA0.501-0.2215-3.30 
  Kaplan, Ivan 1778 USA0.501-0.3915-5.85 
  Weser, Adam 2061 USA0.501-0.0915-1.35 
  Lenderman, Alex m2427 USA0.001-0.1515-2.25 
  Sakayev, Ilya 1805 USA1.0010.13151.95 

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)
 
 New York April Open New York, NY USA 2008-04-12
RcRownchangeKK*chgGame
 2117 2115 0.50 2 -0.50 15 -7.50 
  Arnold, Marc Tyler 2276 USA0.001-0.2915-4.35 
  Yagiz, Bora 1957 USA0.501-0.2115-3.15 

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)
 
 NY May Open New York, NY USA 2008-05-24
RcRownchangeKK*chgGame
 2147 2115 1.50 4 -0.36 15 -5.40 
  Bonin, Jay m2368 USA0.5010.31154.65 
  Santanna, Paulo 2029 USA0.501-0.1215-1.80 
  Privman, Boris f2201 USA0.001-0.3815-5.70 
  Farber, Nelson M 1988 USA0.501-0.1715-2.55 

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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