Individual Calculations September 2011
 Ryba, Andrew  Total change: -3.30  Rating chartPersonal card
 39th Annual World Open - U2200 Section Philadelphia, Pennsylvania USA 2011-06-28
RcRownchangeKK*chgGame
 2109 2154 1.50 2 0.37 15 5.55 
  Wang, Michael 2085 USA1.0010.40156.00 
  Perez-Billinghurst, Ricardo 2132 USA0.501-0.0315-0.45 

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)
 
 41st Annual Continental Open Sturbridge, Massachusetts USA 2011-08-11
RcRownchangeKK*chgGame
 2150 2152 2.00 5 -0.59 15 -8.85 
  Kacheishvili, Giorgi g2552  * GEO0.001-0.0815-1.20 
  Chiang, Michael 2062 USA0.501-0.1215-1.80 
  Smail, Benedict A 2070 USA0.501-0.1115-1.65 
  Taylor, Steven A 2194 USA1.0010.56158.40 
  Raghunathan, Yogesh 1873 USA0.001-0.8415-12.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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