Individual Calculations May 2019
 Petrossian, Vardouhi  Total change: 5.20  Rating chartPersonal card
 Team 2019 - Nationale 4 r5-9 FRANCE FRA 2019-01-20
RcRownchangeKK*chgGame
 1424 1240 0.50 1 0.24 20 4.80 
  Feldman, Frederic 1424 FRA0.5010.24204.80 

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)
 
 17e Open international de Malakoff MALAKOFF FRA 2019-04-20
RcRownchangeKK*chgGame
 1390 1250 3.00 9 0.02 20 0.40 
  Binetruy, Typhanie 1406 FRA0.001-0.2920-5.80 
  Hostalier, Agnes 1024 FRA1.0010.21204.20 
  Boet, Luc 1507 FRA0.001-0.1820-3.60 
  Mylvaganam, Vithuson 1488 FRA1.0010.802016.00 
  Kuntz, Yves 1370 FRA0.001-0.3420-6.80 
  Arous, Andre 1470 FRA0.001-0.2220-4.40 
  Katz, Steven 1112 FRA1.0010.31206.20 
  El, Baroudi Abderrahm 1599 MAR0.001-0.1120-2.20 
  Materia, Matteo 1535 FRA0.001-0.1620-3.20 

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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