Individual Calculations January 2018
 Yahi, Mohamed Salem  Total change: 24.60  Rating chartPersonal card
 championnat regionale Nouakchott 2017 Nouakchott MTN 2017-12-08
RcRownchangeKK*chgGame
 1854 1886 5.00 7 1.23 20 24.60 
  Bellal, Tiyeb 1656 MTN1.0010.21204.20 
  Nocha, Sidahmed 1766 MTN1.0010.34206.80 
  Mohamed, Abderrahim Taleb Mohamed 1693 MTN1.0010.25205.00 
  Hemam, Moulaye Brahim c2055 MTN0.001-0.2820-5.60 
  Taleb Mohamed, Ahmed c1998 MTN1.0010.652013.00 
  Cheikhna, Mohamed Lemine 1883 MTN0.5010.00200.00 
  Sidi, Mbareck Mohamed c1930 MTN0.5010.06201.20 

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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