Individual Calculations March 2021
 Helis, Jan  Total change: 9.20  Rating chartPersonal card
 Druzynowe Mistrzostwa Slaska Juniorow - I Liga Slaska Juniorow 2021 Round 1-6 Chorzow POL 2021-02-06
RcRownchangeKK*chgGame
 1131 1043 1.00 2 0.23 40 9.20 
  Nowara, Filip 1053 POL1.0010.514020.40 
  Mroz, Maciej 1208 POL0.001-0.2840-11.20 

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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