Individual Calculations January 2011
 Grigorescu, Laurentiu  Total change: -14.00  Rating chartPersonal card
 2010 Guelph Fall ProAm Open Guelph, Ontario CAN 2010-11-06
 2074 2095 0.50 2 -0.56 25 -14.00 
  Gusev, Nikita 2084 CAN0.001-0.5225-13.00 
  Drkulec, Vladimir 2063 CAN0.501-0.0425-1.00 

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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