Rapid: Individual Calculations May 2019
 Al-Afaghani, Baraa  Total change: 2.20  Rating chartPersonal card
 Summit Junior Chess Rapid Apr-19 Auckland NZL 2019-04-07
RcRownchangeKK*chgGame
 1200 1272 2.50 4 0.11 20 2.20 
  Zhu, Junyang David 1219 NZL0.001-0.5720-11.40 
  Xu, Hannah 1236 NZL0.501-0.0520-1.00 
  Qin, James Zhaojin 1224 NZL1.0010.43208.60 
  Gan, Emily 1119 NZL1.0010.30206.00 

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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