Individual Calculations March 2018
 O`sullivan, Patrick  Total change: -52.80  Rating chartPersonal card
 2018 Hart House Reading Week Open U1900 Toronto CAN 2018-02-17
RcRownchangeKK*chgGame
 1427 1658 2.50 5 -1.32 40 -52.80 
  Shen, Isamel 1398 CAN0.001-0.8240-32.80 
  Zhao, Jeffrey R. 1277 CAN0.501-0.4140-16.40 
  Qiao, Joey wc1287 CAN1.0010.10404.00 
  Ranola, Alberto 1673 PHI0.001-0.4840-19.20 
  Gao, Raymond 1501 CAN1.0010.294011.60 

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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