Individual Calculations November 2009
 Yanayt, Eugene  Total change: -21.45  Rating chartPersonal card
 31st Annual Southern California Open San Diego, California USA 2009-09-05
RcRownchangeKK*chgGame
 1998 2186 1.50 3 -0.67 15 -10.05 
  Hough, Randall D 2003 USA0.501-0.2415-3.60 
  Bolm, Carl E 1844 USA1.0010.12151.80 
  Kudryavtsev, Vadim 2147 RUS0.001-0.5515-8.25 

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)
 
 2009 Los Angeles Open Los Angeles, California USA 2009-10-09
RcRownchangeKK*chgGame
 2069 2186 0.50 2 -0.76 15 -11.40 
  Zhang, Eric R 1868 USA0.501-0.3715-5.55 
  Porter, Ryan W f2269 USA0.001-0.3915-5.85 

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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