Blitz: Individual Calculations June 2023
 Kossovsky, Boris-Pierre  Total change: -8.80  Rating chartPersonal card
 Blitz mensuel du CEIT mai 2023 TOULOUSE FRA 2023-05-05
RcRownchangeKK*chgGame
 1603 1505 2.00 6 -0.44 20 -8.80 
  Woloszyn, Florent 2059 FRA0.001-0.0320-0.60 
  Boff, Olivier 1544 FRA0.001-0.4520-9.00 
  Iskandarli, Ilkiz 1828 LTU0.001-0.1320-2.60 
  Goiffon, Carl 1361 FRA1.0010.31206.20 
  Phan, Raphael 1723 FRA0.001-0.2220-4.40 
  Bishop, Louis 1105  * FRA1.0010.08201.60 
 * 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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