Individual Calculations January 2011
 Margiotta, Jason J  Total change: 14.10  Rating chartPersonal card
 2010 Marshall Chess Club Championship New York, New York USA 2010-10-29
RcRownchangeKK*chgGame
 2097 1988 1.00 5 -0.80 15 -12.00 
  Ostrovskiy, Aleksandr c2243 USA0.001-0.1915-2.85 
  Panico Iii, Nick F 2054 USA1.0010.59158.85 
  Sena, Juan 2159 DOM0.001-0.2715-4.05 
  Kopiecki, Edward P 2097 USA0.001-0.3515-5.25 
  Robinson, Darrian 1930 USA0.001-0.5815-8.70 

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)
 
 17th Annual Eastern Chess Congress Stamford, Connecticut USA 2010-11-12
RcRownchangeKK*chgGame
 2087 1978 1.00 2 0.29 15 4.35 
  Gershenov, Ben 2044 USA0.001-0.4115-6.15 
  Seehaus, Bernhard 2129 GER1.0010.701510.50 

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)
 
 2010 Marshall November Grand Prix New York, New York USA 2010-11-20
RcRownchangeKK*chgGame
 2205 1978 1.00 2 0.53 15 7.95 
  Bonin, Jay R m2322 USA0.001-0.1215-1.80 
  Berg, George P 2088 USA1.0010.65159.75 

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)
 
 2010 Marshall December Grand Prix New York, New York USA 2010-12-18
RcRownchangeKK*chgGame
 2138 1978 1.50 2 0.92 15 13.80 
  Treger, Yefim 2190 USA0.5010.27154.05 
  Kopiecki, Edward P 2085 USA1.0010.65159.75 

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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