Individual Calculations February 2023
 Zhu, Matthew  Total change: -25.60  Rating chartPersonal card
 2023 RA Winter Open Ottawa CAN 2023-01-20
RcRownchangeKK*chgGame
 1825 1788 1.00 3 -0.64 40 -25.60 
  Sambuev, Bator g2406 CAN0.001-0.0240-0.80 
  Myers, Joshua 1557 CAN0.501-0.2940-11.60 
  Moses, Neil 1512 CAN0.501-0.3340-13.20 

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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