Individual Calculations March 2010
 Farber, Nelson M  Total change: 9.45  Rating chartPersonal card
 Edward Lasker Memorial and 93rd Annual Marshall Chess Club Championship New York, New York USA 2009-12-11
RcRownchangeKK*chgGame
 2112 1979 3.00 7 0.63 15 9.45 
  Bonin, Jay m2370 USA0.001-0.0915-1.35 
  Rabin, Evan Z 2021 USA0.5010.06150.90 
  Ostrovskiy, Aleksandr c2147 USA0.001-0.2815-4.20 
  West, James R 2159 USA0.5010.24153.60 
  Berg, George P 2045 USA0.001-0.4115-6.15 
  Frumkin, Edward A 2017 USA1.0010.55158.25 
  Sobo, Henry C 2023 USA1.0010.56158.40 

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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