Individual Calculations January 2012
 Pirik, Arkadi  Total change: 3.45  Rating chartPersonal card
 Madatech Kislev 2011 Haifa ISR 2011-12-01
RcRownchangeKK*chgGame
 2244 2187 1.50 3 0.23 15 3.45 
  Zorella, Benzion 2139 ISR0.001-0.5715-8.55 
  Axelrod, Arie f2328 ISR1.0010.691510.35 
  Rabinovich, Joseph 2265 RUS0.5010.11151.65 

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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