Individual Calculations January 2011
 Demmery, Steve  Total change: -13.50  Rating chartPersonal card
 2010 Guelph Fall ProAm Open Guelph, Ontario CAN 2010-11-06
 2176 2125 0.50 3 -0.90 15 -13.50 
  Sambuev, Bator g2497 CAN0.001-0.1015-1.50 
  Lacau-Rodean, Iulia 2019 CAN0.001-0.6415-9.60 
  Ferreira, Alex T. 2011 CAN0.501-0.1615-2.40 

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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