Individual Calculations March 2015
 Lei, Sean  Total change: 3.60  Rating chartPersonal card
 2015 Guelph Winter ProAm - Pro Guelph CAN 2015-02-07
RcRownchangeKK*chgGame
 1979 1836 1.50 4 0.18 20 3.60 
  Derraugh, Geordie 2151 CAN0.001-0.1420-2.80 
  Chen, Richard c1938 CAN0.5010.14202.80 
  Talukdar, Rohan c1738 CAN1.0010.37207.40 
  Zhang, Yuanchen f2090 CAN0.001-0.1920-3.80 

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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