Individual Calculations October 2019
 Levey, Steve  Total change: 17.60  Rating chartPersonal card
 CCF LP Club Championships 2019-2020 SEP 19 R1-4 London ENG 2019-09-02
RcRownchangeKK*chgGame
 1471 1378 2.00 3 0.88 20 17.60 
  Boztas, Lana 1475 ENG0.001-0.3720-7.40 
  Miles, Barry S 1470 ENG1.0010.632012.60 
  O`neill, Tom C 1467 SCO1.0010.622012.40 

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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