Individual Calculations September 2019
 Hoffman, Ron  Total change: 4.40  Rating chartPersonal card
 23e Hogeschool Zeeland toernooi 2019 Vlissingen NED 2019-08-03
RcRownchangeKK*chgGame
 1905 1987 5.50 9 0.22 20 4.40 
  Jacobs, Paul 1636 BEL0.501-0.3920-7.80 
  Hamelink, Joost 1645 BEL1.0010.12202.40 
  Wagner, Victoria 1799 GER1.0010.26205.20 
  Timmermans, Ivo 2168 NED0.001-0.2620-5.20 
  Koster, Paul 1764 NED1.0010.22204.40 
  Stange, Sven 2167 NED0.001-0.2620-5.20 
  De Feijter, Niels 1733 NED1.0010.19203.80 
  Duchene, Rene 2157 NED0.5010.22204.40 
  Rosmuller, Anton 2073 NED0.5010.12202.40 

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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