Individual Calculations July 2012
 Ibrahim, Ismail  Total change: -20.25  Rating chartPersonal card
 1st Grand Europe Open Golden Sands BUL 2012-06-04
 2072 2147 4.00 9 -1.35 15 -20.25 
  Carlsson, Pontus g2531 SWE0.001-0.0915-1.35 
  Issa, Mohammed 1787 UAE1.0010.10151.50 
  Lilov, Valeri f2430 BUL0.001-0.1615-2.40 
  Georgieva, Emilia 1923 BUL0.001-0.7815-11.70 
  Stefanov, Emil 1838 BUL0.501-0.3615-5.40 
  Cavusoglu, Yildiz 1960 TUR1.0010.26153.90 
  Sumin, Vladyslav 1912 UKR0.501-0.2915-4.35 
  Shalamberidze, Akaki m2333 GEO0.001-0.2615-3.90 
  Mansour, Abbas 1933 UAE1.0010.23153.45 

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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