Individual Calculations September 2011
 Del Castillo, William  Total change: -10.80  Rating chartPersonal card
 39th Annual World Open - U2200 Section Philadelphia, Pennsylvania USA 2011-06-28
RcRownchangeKK*chgGame
 2101 2194 3.00 6 -0.72 15 -10.80 
  Xu, Yuan 2158 USA0.501-0.0515-0.75 
  Karas, Nicholas 2142 USA1.0010.43156.45 
  Yakobashvili, Roland 2240 USA1.0010.56158.40 
  Rabin, Evan Z 2043 USA0.001-0.7015-10.50 
  Solonkovich, Ilya 2105 USA0.501-0.1215-1.80 
  Hodges, Peter 1915 USA0.001-0.8415-12.60 

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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