Individual Calculations November 2015
 El Ghazali, Youssef M.  Total change: 21.20  Rating chartPersonal card
 arab club chess ch2015 AGADIR MAR 2015-10-13
RcRownchangeKK*chgGame
 2166 2301 5.00 6 1.06 20 21.20 
  Saad, A.i.sarsam m2375 IRQ1.0010.602012.00 
  Messala, Noureddine 2084 MAR1.0010.22204.40 
  Abdel Razik, Khaled m2419 EGY0.001-0.3420-6.80 
  Arbouche, Muhamed f2153 MAR1.0010.30206.00 
  Sidi, Mbareck Mohamed c1932 MTN1.0010.10202.00 
  Hemam, Moulaye Brahim c2035 MTN1.0010.18203.60 

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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