Individual Calculations January 2016
 Petit, Christian-Marie  Total change: -2.60  Rating chartPersonal card
 Les parties de Reims Echec et Mat 2015 REIMS FRA 2015-11-28
RcRownchangeKK*chgGame
 1414 1722 5.00 6 -0.13 20 -2.60 
  Rodier, Patrick 1385 FRA1.0010.12202.40 
  Guillard, Patrice 1444 FRA0.001-0.8320-16.60 
  Guillard, Patrice 1444 FRA1.0010.17203.40 
  Berly, Alain 1434 FRA1.0010.16203.20 
  Lauverjon, Jean 1351 FRA1.0010.10202.00 
  Arsene, Antoine 1427 FRA1.0010.15203.00 

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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