Individual Calculations November 2021
 Ait Benbrahim, Mohamed  Total change: -48.80  Rating chartPersonal card
 Open Plainpalais 2020 round 4 Geneva SUI 2021-09-27
RcRownchangeKK*chgGame
 1579 1578 0.50 1 0.00 40 0.00 
  Aouissi, Mohamed 1579 SUI0.5010.00400.00 

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)
 
 Open Plainpalais 2020 Rounds 5-6 Geneva SUI 2021-10-11
RcRownchangeKK*chgGame
 1489 1578 0.00 2 -1.22 40 -48.80 
  Schmidt, Ivan 1613 SUI0.001-0.4540-18.00 
  Jagtiani, Philippe 1365 SUI0.001-0.7740-30.80 

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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