Individual Calculations October 2012
 Narva, Regina R.  Total change: 5.25  Rating chartPersonal card
 40th World Chess Olympiad-Women Istanbul TUR 2012-08-28
RcRownchangeKK*chgGame
 2027 2042 4.00 7 0.35 15 5.25 
  Salim-Moussa, Seydi 1806 AHO1.0010.20153.00 
  Abrahamyan, Tatev wg2303 USA0.001-0.1815-2.70 
  Oliveira, Maria Ines 1927 POR0.501-0.1615-2.40 
  Rodriguez Arrieta, Maria Elena 1737 CRC0.501-0.3615-5.40 
  Soumya, Swaminathan wg2271 IND1.0010.791511.85 
  Borsuk, Angela mwg2266 ISR0.001-0.2215-3.30 
  Menzi, Nezihe Ezgi 1876 TUR1.0010.28154.20 

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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