Individual Calculations July 2021
 Wiktorowski, Janusz  Total change: 12.80  Rating chartPersonal card
 242nd YMCA Spring 2021-C Warszawa POL 2021-04-14
RcRownchangeKK*chgGame
 1362 1427 6.50 10 0.64 20 12.80 
  Flig, Wojciech 1344 POL1.0010.39207.80 
  Bartczak, Hanna 1395 POL1.0010.46209.20 
  Laszczuk, Zuzanna 1325 POL1.0010.36207.20 
  Seo, Ian 1339 POL0.501-0.1220-2.40 
  Dabrowski, Leszek 1438 POL0.001-0.4820-9.60 
  Ossolinski, Lukasz 1359 POL1.0010.41208.20 
  Matyszkiewicz, Radoslaw 1341 POL1.0010.38207.60 
  Kozak, Jan 1315 POL0.001-0.6520-13.00 
  Oles, Jan 1330 POL1.0010.37207.40 
  Dabrowski, Leszek 1438 POL0.001-0.4820-9.60 

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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