Individual Calculations June 2019
 Andriantisiferana, Irina  Total change: 7.40  Rating chartPersonal card
 2019 Zone 4.3 Individual Chess Championship Women Antananarivo - Espace Lavilla verte MAD 2019-04-27
RcRownchangeKK*chgGame
 1505 1569 5.50 9 0.37 20 7.40 
  Mululu, Linah 1678 ZAM1.0010.652013.00 
  Caxita, Esperanca wm1794 ANG0.001-0.2220-4.40 
  Ralivololona, Hanitriniaina Andri 1383 MAD1.0010.26205.20 
  Razafindrabe, Bakoly 1170 MAD1.0010.08201.60 
  Francis, Onkemetse wm1782 BOT0.001-0.2320-4.60 
  Mpinganjira, Ellen wc1406 MAW0.501-0.2220-4.40 
  Marape, Naledi wf1570 BOT0.5010.00200.00 
  Rakotoniaina Tiana, Johanna 1267 MAD0.501-0.3520-7.00 
  Banda, Natalie Katlo wc1493 BOT1.0010.40208.00 

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)
 

 

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