Rapid: Individual Calculations February 2023
 Drennan, William B  Total change: -59.20  Rating chartPersonal card
 Coulsdon Chess Rapidplay - New Year (Rated Sections) Coulsdon ENG 2023-01-21
RcRownchangeKK*chgGame
 1328 1622 2.00 6 -2.96 20 -59.20 
  Foley, Phil T 1571 ENG0.001-0.5720-11.40 
  Sahdev, Varun 1245 ENG0.001-0.9120-18.20 
  Ma, Rufus 1222  * ENG1.0010.08201.60 
  Fazia, Salvatore 1197 ENG1.0010.07201.40 
  Kairat, Alexander 1389 ENG0.001-0.7920-15.80 
  Harris, Callum 1343 ENG0.001-0.8420-16.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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