Individual Calculations March 2012
 Lan, Grenrich  Total change: 9.75  Rating chartPersonal card
 2nd Intl. Festival Petach Tikva 2011 Open Petach Tikva ISR 2011-12-18
RcRownchangeKK*chgGame
 2065 2147 3.00 4 0.65 15 9.75 
  Bazashvilli, Irma 1807 ISR1.0010.12151.80 
  Koren, Eyal 1964 ISR1.0010.26153.90 
  Shutzman, Joseph f2220 USA0.5010.10151.50 
  Zak, Uriel m2269 ISR0.5010.17152.55 

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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