Individual Calculations January 2009
 Osman, Mihai  Total change: -17.85  Rating chartPersonal card
 Open Romgaz Bucuresti ROU 2008-09-11
RcRownchangeKK*chgGame
 2056 2155 2.50 6 -1.19 15 -17.85 
  Suba, Mihai g2505 ROU0.001-0.1115-1.65 
  Munteanu, Ali-Eduard 1805 ROU0.501-0.3915-5.85 
  Vladescu, Alin Cristian 1901 ROU1.0010.19152.85 
  Cosmulescu, Alexandru Paul 1805 ROU1.0010.11151.65 
  Vedmediuc, Serghei m2396 MDA0.001-0.2015-3.00 
  Savu, Ionut-Catalin 1924 ROU0.001-0.7915-11.85 

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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