Individual Calculations December 2018
 Rayan, Mohammad Ali Hassan  Total change: -5.60  Rating chartPersonal card
 Arab Chess Individual Championship 2018 U12_14 Girls Hammamet TUN 2018-10-28
RcRownchangeKK*chgGame
 1312 1273 3.00 7 -0.14 40 -5.60 
  Makhlouf, Ahlam wf1408 MAR0.001-0.3240-12.80 
  Fatima, Saif Al-Ali wc1175 UAE1.0010.374014.80 
  Belattar, Ines 1291 ALG0.001-0.4740-18.80 
  Tala, Alnasser 1257 JOR0.501-0.0240-0.80 
  Hwass, Zaineb -8 wc1299 TUN0.5010.04401.60 
  Tiba, Mahdi Attiyah 1494 IRQ0.001-0.2240-8.80 
  Chihi, Ghada wc1262 TUN1.0010.484019.20 

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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