Individual Calculations May 2011
 Cohen, Lawrence  Total change: -17.55  Rating chartPersonal card
 5th Annual Grand Pacific Open Victoria, British Columbia CAN 2011-04-22
RcRownchangeKK*chgGame
 2113 2019 0.00 3 -1.17 15 -17.55 
  Maisuradze, Nino wg2296 FRA0.001-0.1715-2.55 
  Patterson, Roger 2155 CAN0.001-0.3215-4.80 
  Doknjas, John 1888 CAN0.001-0.6815-10.20 

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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