Individual Calculations May 2011
 Oussedik, Mahfoud M  Total change: -12.30  Rating chartPersonal card
 African Junior Championships 2010/11 (Boys) East London RSA 2011-02-26
RcRownchangeKK*chgGame
 2038 2222 3.50 6 -0.82 15 -12.30 
  Gumpo, Thabo T c1945 BOT0.501-0.3315-4.95 
  Van Rensburg, Ryan Rp 2104 RSA1.0010.34155.10 
  Louw, Janto J 1822  * RSA1.0010.08151.20 
  Erikson, Roberto R 2194 ANG0.001-0.5415-8.10 
  Ghattour, Mosab M 2078 LBA0.501-0.1915-2.85 
  Hercules, Benjamin Bv 2085 RSA0.501-0.1815-2.70 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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