Individual Calculations May 2023
 Barry, David  Total change: -1.40  Rating chartPersonal card
 2023 Metro Club Championship A-Division Rounds 8-9 plus postponed Perth AUS 2023-03-30
RcRownchangeKK*chgGame
 1812 1671 0.50 2 -0.13 20 -2.60 
  Hernandez Mendez, Iker 1735 AUS0.001-0.4120-8.20 
  O`mahoney, Keegan 1888 IRL0.5010.28205.60 

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 Perth Club Championship Rounds 1-3 Perth AUS 2023-04-12
RcRownchangeKK*chgGame
 1706 1663 0.50 1 0.06 20 1.20 
  Gibson, Jacob 1706 AUS0.5010.06201.20 

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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