Individual Calculations July 2012
 Roitman, Dan  Total change: 6.00  Rating chartPersonal card
 Spring 2012 Herzlia Herzlia ISR 2012-04-16
RcRownchangeKK*chgGame
 2010 1765 1.50 5 0.40 15 6.00 
  Shlam, Yehuda 2114 ISR0.5010.39155.85 
  Zilberman, Yaacov g2165  * ISR0.001-0.0815-1.20 
  Schwarz, Harry 2045 ISR0.001-0.1615-2.40 
  Gradenwitz, Oded 1768 ISR0.001-0.5015-7.50 
  Lotsov Har-Zahav, Avraham 1959 ISR1.0010.751511.25 
 * 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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