Individual Calculations November 2022
 Boztas, Lana  Total change: -28.60  Rating chartPersonal card
 Coulsdon Chess Dicky White - October London ENG 2022-10-03
RcRownchangeKK*chgGame
 1305 1387 1.00 4 -1.43 20 -28.60 
  Smyth, Sandy A 1286 ENG0.001-0.6420-12.80 
  Howes, David J 1342 ENG0.501-0.0620-1.20 
  Collins, Michael E 1168 ENG0.501-0.2820-5.60 
  Kumar, Sachin 1425 ENG0.001-0.4520-9.00 

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)
 

 

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