Individual Calculations April 2023
 Chen, Richard  Total change: -7.20  Rating chartPersonal card
 Ivy League Challenge 2023 Toronto CAN 2023-03-24
RcRownchangeKK*chgGame
 2207 2272 2.50 5 -0.36 20 -7.20 
  Wang, Wesley f2312 USA0.001-0.4420-8.80 
  Turgut, Aydin f2327 USA0.5010.08201.60 
  Dai, Wenzhi 2059 CHN0.501-0.2720-5.40 
  Chandran, Kapil f2361 USA0.5010.12202.40 
  Shih, Matthew 1976 USA1.0010.15203.00 

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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