Individual Calculations December 2012
 Ibrahimova, Sabina  Total change: 11.10  Rating chartPersonal card
 World Youth Chess Championship 2012 - Girls 18 Maribor SLO 2012-11-08
 2099 2118 6.50 11 0.74 15 11.10 
  Stepanyan, Astghik 1799 ENG1.0010.13151.95 
  Arabidze, Meri wg2391 GEO0.5010.33154.95 
  Qiu, Mengjie wf2070 CHN0.501-0.0715-1.05 
  Bezkorovaina, Mariia 2025 UKR1.0010.37155.55 
  Schut, Lisa wm2281 NED0.001-0.2815-4.20 
  Gelip, Ioana 2016 ROU1.0010.36155.40 
  Pustovoitova, Daria 2269 RUS0.001-0.3015-4.50 
  Gevorgyan, Maria wf2058 ARM0.001-0.5815-8.70 
  Papathanasiou, Elisavet 1908 GRE1.0010.23153.45 
  Narva, Triin wc2065 EST1.0010.43156.45 
  Pujari, Rucha wf2204 IND0.5010.12151.80 

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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