Individual Calculations April 2023
 Zhang, Kevin W  Total change: 17.60  Rating chartPersonal card
 2023 Chess Artists Club Championship Rounds 5-7 Melbourne AUS 2023-03-05
RcRownchangeKK*chgGame
 1403 1427 1.50 3 -0.10 40 -4.00 
  Shawcross, Hartley 1376 AUS0.501-0.0740-2.80 
  Cook, Geoff L 1488 AUS0.001-0.4240-16.80 
  Coracas, Tass 1346 AUS1.0010.394015.60 

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)
 
 2023 Ballarat Begonia Open Ballarat AUS 2023-03-11
RcRownchangeKK*chgGame
 1450 1427 3.00 5 0.54 40 21.60 
  Blacksmith, Erik 1302 AUS1.0010.334013.20 
  Yu, Lok Lan 1177 AUS1.0010.19407.60 
  Hawkins, Sean 1713 AUS0.001-0.1640-6.40 
  Russell, Paul c1796 AUS0.001-0.1040-4.00 
  Goodison, Justin 1261 AUS1.0010.284011.20 

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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