Individual Calculations July 2017
 Pietrow, Andrzej  Total change: 11.60  Rating chartPersonal card
 HSG Open 2017 Group A Hilversum NED 2017-06-23
RcRownchangeKK*chgGame
 2164 2017 2.50 6 0.58 20 11.60 
  Jacobs, Florian 2270 NED0.5010.31206.20 
  Wiersma, Eelke m2350 NED0.001-0.1220-2.40 
  Pronk, Sven 1979 NED1.0010.45209.00 
  Vos, Tjark 2204 AHO1.0010.742014.80 
  Schoehuijs, Erik 2115 NED0.001-0.3720-7.40 
  Hilwerda, Jonas 2068 NED0.001-0.4320-8.60 

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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