Individual Calculations February 2015
 Petkovic, Nikola  Total change: -34.80  Rating chartPersonal card
 31. Internationales Boeblinger Open A Boeblingen GER 2014-12-26
RcRownchangeKK*chgGame
 2097 2081 3.50 9 -0.87 40 -34.80 
  Eisenbeiser, Amadeus m2377 GER0.001-0.1540-6.00 
  Heer, Till 1918 GER1.0010.284011.20 
  Brunello, Marina fwm2254 ITA0.001-0.2740-10.80 
  Zeh, Rolf 1964 GER1.0010.344013.60 
  Promyshlyanskyy, Vitaliy 2240 UKR0.001-0.2940-11.60 
  Cafolla, Peter 2017 IRL0.001-0.5940-23.60 
  Bay, Nicolai 1971 GER1.0010.354014.00 
  Schuhmacher, Jakob 2102 GER0.5010.03401.20 
  Carow, Annelen 2033 GER0.001-0.5740-22.80 

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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