Individual Calculations February 2023
 Gratchev, Elizaveta  Total change: 95.60  Rating chartPersonal card
 2023 Oceania Zonal 3.6 Women Melbourne AUS 2023-01-23
RcRownchangeKK*chgGame
 1604 1386 4.50 9 2.39 40 95.60 
  Morrison, Jennifer 1643 AUS1.0010.824032.80 
  Lu, Lillian 1689 AUS0.5010.364014.40 
  Middleton, Jody 1747 AUS0.001-0.1040-4.00 
  Chang, Yolanda 1507 NZL0.5010.16406.40 
  Lyons, Kieran C wf1747 FIJ0.001-0.1040-4.00 
  Anton, Sarah wc1578 AUS1.0010.754030.00 
  Zeng, Vera 1528 AUS0.5010.19407.60 
  Retnaraja, Athena-Malar 1473 AUS0.001-0.3840-15.20 
  Watson, Jean 1528 AUS1.0010.694027.60 

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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