Individual Calculations February 2019
 Yapi, William Koffi  Total change: 62.80  Rating chartPersonal card
 16e Bois-Colombes Chess Master Open B BOIS COLOMBES FRA 2018-12-26
RcRownchangeKK*chgGame
 1574 1495 4.00 6 1.57 40 62.80 
  Maged, Gabriel 1237 FRA1.0010.18407.20 
  Giblin, Martin 1351 FRA1.0010.314012.40 
  Vrbanac, Goran 1594 FRA1.0010.644025.60 
  Le Bris, Louis 1724 FRA1.0010.794031.60 
  Hasseine, Madiane 1809 FRA0.001-0.1440-5.60 
  Boyer, Jean-Francois 1726 FRA0.001-0.2140-8.40 

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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