Individual Calculations April 2009
 Pierrard, Bernard  Total change: 12.90  Rating chartPersonal card
 N4 - R3 Various FRA 2008-12-14
RcRownchangeKK*chgGame
 1939 1951 1.00 1 0.48 15 7.20 
  Plane, David 1939 FRA1.0010.48157.20 

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)
 
 N4 - R5 Various FRA 2009-02-08
RcRownchangeKK*chgGame
 1847 1932 1.00 1 0.38 15 5.70 
  Thomet, Yannick 1847 FRA1.0010.38155.70 

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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