Individual Calculations February 2013
 Derraugh, Geordie  Total change: -4.50  Rating chartPersonal card
 2013 Hart House Winter Open Toronto, Ontario CAN 2013-01-04
 2166 2120 2.00 5 -0.30 15 -4.50 
  Samsonkin, Artiom m2397 CAN0.001-0.1715-2.55 
  Wiebe, Daniel 1887 CAN1.0010.21153.15 
  Noritsyn, Nikolay m2464 CAN0.001-0.1215-1.80 
  McTavish, Dale 2066 CAN0.501-0.0815-1.20 
  Zhang, Yuanchen 2018 CAN0.501-0.1415-2.10 

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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