Individual Calculations February 2023
 Zhang, Daniel  Total change: 7.60  Rating chartPersonal card
 2023 Excelsior January U1900 Toronto CAN 2023-01-06
RcRownchangeKK*chgGame
 1453 1417 2.00 4 0.19 40 7.60 
  Sirkovich, Daniel 1602 CAN1.0010.744029.60 
  Ruchinskaya, Valerie 1445 CAN0.001-0.4640-18.40 
  Gao, Heye 1244 CAN0.001-0.7340-29.20 
  Momic, Jovan 1522 CAN1.0010.644025.60 

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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