Individual Calculations September 2010
 Ziolkowski, Marcin  Total change: -9.90  Rating chartPersonal card
 XII Miêdzynarodowe Mistrzostwa Gdañska w Szachach Gdansk POL 2010-07-17
RcRownchangeKK*chgGame
 1767 1816 1.50 4 -0.66 15 -9.90 
  Marszk, Kazimierz 2111 POL0.5010.35155.25 
  Grajczak, Adrian 1997 POL0.001-0.2615-3.90 
  Sieradzka, Kornelia 1416  * POL0.001-0.9215-13.80 
  Norov, Artem 1545 BLR1.0010.17152.55 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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