Individual Calculations February 2019
 Sonzogni, Michel  Total change: 17.20  Rating chartPersonal card
 2e Open B des Herbiers 2019 (-2200) LES HERBIERS FRA 2019-01-05
RcRownchangeKK*chgGame
 1415 1379 3.50 5 1.26 20 25.20 
  Bastier, Gabriel 1478 FRA1.0010.642012.80 
  Guyon, Stephane 1419 FRA0.5010.06201.20 
  Fortin, Jean-Marc 1406 FRA1.0010.542010.80 
  Pantenier, Bernard 1251 FRA1.0010.33206.60 
  Secher, Daniel 1522 FRA0.001-0.3120-6.20 

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)
 
 Team 2019 - Nationale 3 r5 FRANCE FRA 2019-01-12
RcRownchangeKK*chgGame
 1450 1379 0.00 1 -0.40 20 -8.00 
  Peniquaud, Jean 1450 FRA0.001-0.4020-8.00 

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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