Individual Calculations May 2012
 Richmond, M. Barrie  Total change: -12.45  Rating chartPersonal card
 8th North American Amateur Open Skokie, Illinois USA 2012-03-10
RcRownchangeKK*chgGame
 1896 1841 0.00 1 -0.42 30 -12.60 
  Qazi, Rafeh R 1896 USA0.001-0.4230-12.60 

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)
 
NOTE: K factor changed
 9th North American Amateur Open - 2nd Scott Silvernan Memorial Skokie, Illinois USA 2012-04-14
RcRownchangeKK*chgGame
 2041 1841 0.50 2 0.01 15 0.15 
  Szpisjak, Steven J 2102 USA0.001-0.1815-2.70 
  Tutush, Dusan 1980 USA0.5010.19152.85 

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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