Individual Calculations September 2023
 Swiderski, Piotr  Total change: 74.40  Rating chartPersonal card
 VII Miedzynarodowy Memorial Ireny Warakomskiej - OPEN C Suwalki POL 2023-08-07
RcRownchangeKK*chgGame
 1326 1005 3.00 8 1.86 40 74.40 
  Chmiel, Kuba 1367 POL0.001-0.1040-4.00 
  Oleszczuk, Artur 1314 POL0.001-0.1440-5.60 
  Michalak, Leon 1236 POL1.0010.794031.60 
  Dysko, Michal 1393 POL0.001-0.0940-3.60 
  Kazana, Szymon 1256 POL0.001-0.1940-7.60 
  Obuchowicz, Jerzy 1464 POL1.0010.954038.00 
  Radomski, Oskar 1183 POL0.001-0.2740-10.80 
  Kalvaitis, Gintautas 1391 LTU1.0010.914036.40 

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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