Individual Calculations March 2010
 Bortnikov, Boris  Total change: -11.75  Rating chartPersonal card
 Moscow open 2010 D Seniors Moscow RUS 2010-01-30
RcRownchangeKK*chgGame
 2038 2025 1.50 4 -0.47 25 -11.75 
  Donchenko, Anatoly m2380 GER0.001-0.1125-2.75 
  Amelichkin, Nikolay 1728 RUS0.501-0.3525-8.75 
  Surov, Anatoly 1878 RUS1.0010.30257.50 
  Pushkin, Sergey V. 2167 RUS0.001-0.3125-7.75 

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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