Individual Calculations July 2018
 Lach, Aleksandra  Total change: -4.00  Rating chartPersonal card
 Druzynowe Mistrzostwa Polski - Ekstraliga 2018 Round 1-3 Gorzow Wielkopolski POL 2018-06-08
RcRownchangeKK*chgGame
 2421 2209 0.50 3 -0.20 20 -4.00 
  Majdan, Joanna wg2371 POL0.5010.21204.20 
  Zawadzka, Jolanta wg2434 POL0.001-0.2220-4.40 
  Socko, Monika gwg2458 POL0.001-0.1920-3.80 

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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