Individual Calculations February 2018
 Lachat, Martin  Total change: -12.20  Rating chartPersonal card
 41. Zuercher Weihnachtsopen Allgemein Zurich SUI 2017-12-26
RcRownchangeKK*chgGame
 1643 1676 2.00 5 -0.61 20 -12.20 
  Winkler, Daniel 1897 SUI0.001-0.2220-4.40 
  Minacci, Matteo 1276  * SUI1.0010.08201.60 
  Lanz, Martin 1759 SUI0.001-0.3920-7.80 
  Ritter, Fredy 1474 SUI1.0010.24204.80 
  Pellicoro, Nathalie 1810 SUI0.001-0.3220-6.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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