Individual Calculations July 2008
 Draidi, Ahmed  Total change: 10.50  Rating chartPersonal card
 Nationale Interclubs Various BEL 2007-10-07
RcRownchangeKK*chgGame
 2020 2040 3.50 6 0.42 25 10.50 
  Iolis, Oleg 2154 BEL1.0010.662516.50 
  De Villers, Mourad 2143 BEL0.5010.14253.50 
  Jankowski, Johnny 1986 FRA1.0010.422510.50 
  Saligo, Pieter 1690 BEL0.501-0.3925-9.75 
  Houriez, Alain 2103 FRA0.5010.09252.25 
  Philips, Richard 2041 BEL0.001-0.5025-12.50 

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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