Individual Calculations July 2012
 Brock, William H  Total change: 4.95  Rating chartPersonal card
 21st Annual Chicago Open - U2300 Section Wheeling, Illinois USA 2012-05-25
RcRownchangeKK*chgGame
 2076 2029 2.50 5 0.33 15 4.95 
  Hughes, John L 2086 USA0.5010.08151.20 
  Sohal, Tanraj S 2106 CAN0.001-0.3915-5.85 
  Trimble, Selden 2067 USA0.001-0.4515-6.75 
  Flaga, Krzysztof 2071 USA1.0010.56158.40 
  Hyatt, Doug 2048 USA1.0010.53157.95 

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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