Individual Calculations May 2015
 Malachi, Avraham  Total change: 13.00  Rating chartPersonal card
 Liga Artzit Mercaz 2015 Round 4-6 various ISR 2015-03-14
RcRownchangeKK*chgGame
 2268 2099 1.50 3 0.65 20 13.00 
  Dror, Chaim 2163 ISR1.0010.592011.80 
  Aharonovich, Itamar 2279 ISR0.5010.24204.80 
  Berkovich, Mark A m2363 ISR0.001-0.1820-3.60 

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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