Individual Calculations December 2023
 Vyrovshchikov, Lev  Total change: -43.20  Rating chartPersonal card
 SPb B13 Championship Semifinal 2023 St. Petersburg RUS 2023-10-30
RcRownchangeKK*chgGame
 1088 1117 0.00 2 -1.08 40 -43.20 
  Sonnikov, Timofei 1018 RUS0.001-0.6440-25.60 
  Makorta, Aleksandr V 1158 RUS0.001-0.4440-17.60 

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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