Individual Calculations August 2013
 Formanek, Edward William  Total change: -25.70  Rating chartPersonal card
 41srt Annual World Open - U 2400 Section Arlington, Virginia USA 2013-06-29
RcRownchangeKK*chgGame
 2034 2168 3.50 9 -2.57 10 -25.70 
  Zenyuk, Iryna cwm2250 USA0.001-0.3910-3.90 
  Abe, Mahiro 1953 JPN0.001-0.7710-7.70 
  Slomski, Matt 2030 USA0.501-0.1910-1.90 
  Beilin, Allan 2026 USA0.501-0.1910-1.90 
  Nieto, Manuel Valerio Waldo 1975 COL0.501-0.2510-2.50 
  Winter, Curtis A 1947 USA0.501-0.2810-2.80 
  De Fotis, Gary C 1975 USA0.501-0.2510-2.50 
  Polgar-Shutzman, Tom 2102 USA1.0010.41104.10 
  Matlin, Anna R wc2052 USA0.001-0.6610-6.60 

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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