Individual Calculations March 2023
 Krejci, Petr  Total change: 32.20  Rating chartPersonal card
 JmSS Krajsky prebor II A 2022-2023 r8-9 various CZE 2023-02-05
RcRownchangeKK*chgGame
 1941 1759 1.00 2 0.47 40 18.80 
  Polach, Danes 1926 CZE0.5010.22408.80 
  Loubal, Pavel 1956 CZE0.5010.254010.00 

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)
 
NOTE: K factor changed
 JmSS Krajsky prebor I 2022-2023 r8-9 various CZE 2023-02-12
RcRownchangeKK*chgGame
 1829 1759 1.50 2 0.67 20 13.40 
  Hrdina, Jiri 1689 CZE1.0010.40208.00 
  Vrtal, Jaroslav 1968 CZE0.5010.27205.40 

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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