Individual Calculations January 2011
 Cosma, Ioan  Total change: -8.20  Rating chartPersonal card
 December 1989 Revolution Memorial Bucuresti ROU 2010-12-14
RcRownchangeKK*chgGame
 2198 2418 6.00 9 -0.82 10 -8.20 
  Popescu, Stefan-Claudiu 2018  * ROU1.0010.08100.80 
  Petrescu, Cristian 2100 ROU1.0010.13101.30 
  Tacu, Victor-Mihail-Gabriel 2191 ROU1.0010.21102.10 
  Levay, Sorin f2286 ROU1.0010.32103.20 
  Cioara, Andrei-Nestor m2426 ROU0.5010.01100.10 
  Voiteanu, Gabriel f2262 ROU0.501-0.2110-2.10 
  Dobre, Claudiu-Cristian f2343 ROU0.001-0.6010-6.00 
  Cirlan, Ionut-Gheorghe 2135 ROU0.001-0.8410-8.40 
  Constantin, Dragos-Georgian 2018  * ROU1.0010.08100.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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