Individual Calculations April 2013
 Zelnick, David Ernest  Total change: -7.35  Rating chartPersonal card
 17th Annual Mid-America Open St Louis, Missouri USA 2013-03-15
RcRownchangeKK*chgGame
 2142 2007 0.50 3 -0.49 15 -7.35 
  Vibbert, Sean 2235 USA0.001-0.2115-3.15 
  Tallo, Emily K 1989 USA0.501-0.0315-0.45 
  Van Meter, Lester L f2203 USA0.001-0.2515-3.75 

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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