Individual Calculations January 2009
 Alaa El Din, Yosra  Total change: -42.75  Rating chartPersonal card
 Olympiad Dresden Women Dresden GER 2008-11-12
RcRownchangeKK*chgGame
 1980 1949 2.00 8 -1.71 25 -42.75 
  Hernandez, Zaida 2037 VEN0.001-0.3825-9.50 
  Moncayo Romero, Evelyn wm2142 ECU0.001-0.2525-6.25 
  Mir Mahmoud, Afamia 2024 SYR0.001-0.4025-10.00 
  Debowska, Teresa f1916 POL1.0010.452511.25 
  Sischy, Monique Sian 1965 RSA0.5010.02250.50 
  Sabure, Ontiretse 1641 BOT0.001-0.8625-21.50 
  Coelho, Tatiane Cristina 1819 BRA0.501-0.1825-4.50 
  Gerasimova, Olga wm2299 RUS0.001-0.1125-2.75 

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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