Individual Calculations January 2013
 Kopiecki, Edward P  Total change: 3.90  Rating chartPersonal card
 2012 Queens Chess Club Championship Jamaica, New York USA 2012-10-05
RcRownchangeKK*chgGame
 2055 1959 0.00 2 -0.74 15 -11.10 
  Arluck, William S 2052 USA0.001-0.3715-5.55 
  Cimafranca, Edgar 2057 USA0.001-0.3715-5.55 

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)
 
 2012 MCC October-November FIDE Monday New York, New York USA 2012-10-22
RcRownchangeKK*chgGame
 2060 1959 2.50 4 1.00 15 15.00 
  Sena, Juan 2156 DOM0.001-0.2515-3.75 
  Rabin, Evan Z 2020 USA0.5010.08151.20 
  Juac, Majur 2174 USA1.0010.771511.55 
  Rachlin, Paul 1888 USA1.0010.40156.00 

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)
 

 

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