Individual Calculations September 2010
 Aird, Ian  Total change: 1.35  Rating chartPersonal card
 2010 Canadian Open Toronto, Ontario CAN 2010-07-10
RcRownchangeKK*chgGame
 2074 2019 0.00 2 -0.85 15 -12.75 
  Wu, Aaron 1974 CAN0.001-0.5615-8.40 
  Dougherty, Michael f2173 CAN0.001-0.2915-4.35 

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)
 
 111th Annual US Open - Jerry Hanken Memorial Irvine, California USA 2010-07-31
RcRownchangeKK*chgGame
 2135 2019 3.00 6 0.94 15 14.10 
  Moussa, Alaa-Addin c2196 PLE0.5010.23153.45 
  Wagner, Carl E 2169 USA1.0010.701510.50 
  Borgen, Richard L 2126 USA0.5010.15152.25 
  Dejmek, Mark W 2090 USA0.5010.10151.50 
  Patterson, Roger 2147 CAN0.001-0.3315-4.95 
  Acosta, Mariano A 2084 USA0.5010.09151.35 

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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