Individual Calculations September 2023
 Iracki, Piotr  Total change: 37.20  Rating chartPersonal card
 VII Miedzynarodowy Memorial Ireny Warakomskiej - OPEN C Suwalki POL 2023-08-07
RcRownchangeKK*chgGame
 1334 1068 2.00 6 0.93 40 37.20 
  Rodziewicz-Bielewicz, Kuba 1412 POL0.5010.384015.20 
  Wasilewski, Stanislaw 1314 POL0.001-0.1940-7.60 
  Chmiel, Michal 1276 POL0.5010.274010.80 
  Magrel, Wiktor 1295 POL0.001-0.2140-8.40 
  Businski, Jan 1314 POL0.001-0.1940-7.60 
  Kalvaitis, Gintautas 1391 LTU1.0010.874034.80 

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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