Individual Calculations November 2009
 Kosztyla, Andrzej  Total change: -4.05  Rating chartPersonal card
 V Ogolnopolski Turniej - Mistrzowie 2010 Krakow POL 2009-10-23
RcRownchangeKK*chgGame
 1744 1654 0.50 2 -0.27 15 -4.05 
  Polek, Marek 1655 POL0.001-0.5015-7.50 
  Tikhonov, Valeri 1833 RUS0.5010.23153.45 

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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