Individual Calculations January 2023
 Rossiter, Philip E  Total change: 3.40  Rating chartPersonal card
 Wellington Club B 2022 Wellington NZL 2022-12-01
RcRownchangeKK*chgGame
 1741 1644 3.50 9 0.17 20 3.40 
  Young, Cohen 1652 NZL0.001-0.4920-9.80 
  Ackroyd, William 1711 NZL1.0010.592011.80 
  Malcolm, Leo 1670 NZL0.001-0.4620-9.20 
  Benitez, Edgar 1768 NZL0.001-0.3320-6.60 
  Chen, Wei Kai 1730 NZL0.5010.12202.40 
  Winsley, Nicholas 1839 NZL1.0010.752015.00 
  Jackson, L Ross 1814 NZL1.0010.722014.40 
  Perrin, Brent 1746 ENG0.001-0.3620-7.20 
  Aldridge, Alan L 1742 NZL0.001-0.3720-7.40 

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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