Individual Calculations July 2012
 Song, Guannan Terry  Total change: -3.75  Rating chartPersonal card
 2012 Guelph Summer ProAm Guelph, Ontario CAN 2012-06-23
RcRownchangeKK*chgGame
 1956 1894 1.00 3 -0.25 15 -3.75 
  Preotu, Razvan 2036 CAN0.001-0.3115-4.65 
  Peng, Jackie wc1944 CAN0.001-0.4315-6.45 
  Plotkin, Mark 1887 CAN1.0010.49157.35 

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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