Individual Calculations September 2013
 Ostaszewski, Bartlomiej  Total change: 23.40  Rating chartPersonal card
 M.Najdorf International Chess Festival gr. B Warszawa POL 2013-08-05
RcRownchangeKK*chgGame
 1433 1048 1.50 8 0.78 30 23.40 
  Prus, Marek 1448  * POL0.001-0.0830-2.40 
  Zalewski, Leszek 1448  * POL0.5010.423012.60 
  Mincewicz, Tomasz 1448  * POL0.001-0.0830-2.40 
  Kaminski, Lukasz 1388 POL1.0010.883026.40 
  Bazan, Michal 1448  * POL0.001-0.0830-2.40 
  Kozinski, Karol 1448  * POL0.001-0.0830-2.40 
  Tomczyk, Ryszard 1448  * POL0.001-0.0830-2.40 
  Moscicki, Slawomir 1384 POL0.001-0.1230-3.60 
 * 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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