Individual Calculations August 2023
 Johns, Daniel P  Total change: -62.00  Rating chartPersonal card
 2023 NSCC Championship A 2-5 Auckland NZL 2023-06-28
RcRownchangeKK*chgGame
 1826 1720 2.00 4 0.55 20 11.00 
  Zhu, David Junyang 1656 NZL0.001-0.5920-11.80 
  Metge, J Nigel 1908 NZL0.001-0.2620-5.20 
  Yu, Zachary 1863 NZL1.0010.692013.80 
  Liu, William Rui 1876 NZL1.0010.712014.20 

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)
 
 2023 Peter Stuart Memorial Open North Island Championship Auckland NZL 2023-07-13
RcRownchangeKK*chgGame
 1464 1723 2.00 7 -3.65 20 -73.00 
  Tao, Junqing Jerome 1441 NZL0.501-0.3420-6.80 
  Yue, Annie 1514 NZL0.501-0.2720-5.40 
  Holdo, Karl 1388 NZL0.501-0.3820-7.60 
  Powlesland, Brogan 1357 NZL0.001-0.9020-18.00 
  Preeyansh, Roul 1518 IND0.001-0.7620-15.20 
  Chen, Anderson 1407 NZL0.501-0.3720-7.40 
  De Guzman, Jessie 1625 NZL0.001-0.6320-12.60 

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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