Individual Calculations February 2023
 Ong, Jonathan Si Seng  Total change: 74.80  Rating chartPersonal card
 2023 Oceania Zonal 3.6 Open Melbourne AUS 2023-01-23
RcRownchangeKK*chgGame
 1501 1268 4.00 9 1.87 40 74.80 
  Savige, Colin B 1770 AUS0.001-0.0440-1.60 
  Zhu, David Junyang 1583 NZL0.001-0.1440-5.60 
  Paul, Nikash 1495 AUS0.001-0.2140-8.40 
  Kariyawasam, Trent 1182 AUS1.0010.384015.20 
  Ding, Daniel (yulin) 1483 AUS1.0010.774030.80 
  Pearce, Tim 1616 AUS0.001-0.1140-4.40 
  Jurac, Anthony 1570 AUS0.001-0.1540-6.00 
  Beckman, John 1369 AUS1.0010.644025.60 
  Renkin, Jeremy 1445 AUS1.0010.734029.20 

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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