Individual Calculations February 2018
 Jorritsma, Stefan  Total change: -34.00  Rating chartPersonal card
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 1870 1843 2.00 8 -1.70 20 -34.00 
  Poland, Jan 1840 NED0.001-0.5020-10.00 
  Husers, Yannic 1848 NED0.001-0.4920-9.80 
  Oliemans, Cor 1968 NED0.5010.17203.40 
  Kanis, Sierk 1944 NED0.001-0.3620-7.20 
  Braun, Steven 1838 NED1.0010.49209.80 
  Bartels, Richie 1874 NED0.001-0.4620-9.20 
  Velde, Jan 1902 NED0.5010.08201.60 
  De Lagontrie, Jean 1745 FRA0.001-0.6320-12.60 

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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