Individual Calculations July 2014
 Ayoub, Hosam  Total change: 2.40  Rating chartPersonal card
 Libyan League 2014( 2nd Degree) Musrata LBA 2014-04-24
RcRownchangeKK*chgGame
 1978 1950 1.00 2 0.08 30 2.40 
  Almahjoub, Mokhtar 2000 LBA1.0010.573017.10 
  Kalli, Abdulla 1955 LBA0.001-0.4930-14.70 

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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