Individual Calculations November 2022
 Smyth, Sandy A  Total change: 18.00  Rating chartPersonal card
 Coulsdon Chess Dicky White - October London ENG 2022-10-03
RcRownchangeKK*chgGame
 1244 1286 2.00 2 0.90 20 18.00 
  Boztas, Lana 1387 ENG1.0010.642012.80 
  Aiyyapan, Sudersen 1101 ENG1.0010.26205.20 

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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