Individual Calculations July 2011
 Bruk, Ofer  Total change: -18.00  Rating chartPersonal card
 Israel National League 2011 Various ISR 2011-01-14
RcRownchangeKK*chgGame
 2423 2451 2.50 8 -1.80 10 -18.00 
  Baron, Tal m2465 ISR0.001-0.4810-4.80 
  Bar, Roman m2449 ISR0.5010.00100.00 
  Lederer, Yoav 2299 ISR0.501-0.2010-2.00 
  Zifroni, Dov g2490 ISR0.001-0.4510-4.50 
  Sidorenko, Ilya m2430 ISR0.501-0.0310-0.30 
  Drozdov, Alexandre f2319 RUS0.001-0.6810-6.80 
  Gershon, Alik g2502 ISR0.5010.07100.70 
  Porat, Ido m2431 ISR0.501-0.0310-0.30 

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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