Individual Calculations May 2012
 Lunna, Todd W  Total change: -1.65  Rating chartPersonal card
 42nd Annual World Amateur Team and US Team East Parsippany, New Jersey USA 2012-02-18
RcRownchangeKK*chgGame
 2114 2239 2.50 4 -0.11 15 -1.65 
  Shneider, Igor f2381 USA0.001-0.3115-4.65 
  Ballantyne, Rochelle 1954 USA1.0010.16152.40 
  Diaz, Linda V 2016 USA1.0010.22153.30 
  West, James R 2104 USA0.501-0.1815-2.70 

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)
 

 

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