Individual Calculations April 2009
 Al-Ghasra, Ali  Total change: -10.20  Rating chartPersonal card
 Arcapita Open Manama BRN 2009-01-23
 2416 2133 0.00 4 -0.68 15 -10.20 
  El Gindy, Essam g2483 EGY0.001-0.1115-1.65 
  Tregubov, Pavel V g2483 RUS0.001-0.1115-1.65 
  Zozulia, Anna mwg2376 BEL0.001-0.2015-3.00 
  Hassan, Abdullah m2320 UAE0.001-0.2615-3.90 

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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