Individual Calculations April 2008
 Katz, Benjamin J  Total change: 24.25  Rating chartPersonal card
 91st Annual Marshall Championship New York, New York USA 2007-12-07
RcRownchangeKK*chgGame
 2158 2091 3.50 6 0.97 25 24.25 
  Stripunsky, Alexander g2441 USA0.001-0.1125-2.75 
  Kopiecki, Edward P 2147 USA0.001-0.4225-10.50 
  Frumkin, Edward A 2029 USA1.0010.412510.25 
  Sobo, Henry C 2139 USA1.0010.572514.25 
  Swaminathan, Rahul K 2000 USA1.0010.38259.50 
  Zenyuk, Iryna cwf2192 USA0.5010.14253.50 

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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