Individual Calculations July 2008
 Geertsema, Piet  Total change: 11.25  Rating chartPersonal card
 Intomart GfK Open Hilversum NED 2008-04-05
RcRownchangeKK*chgGame
 2044 1999 4.50 9 0.45 25 11.25 
  Grooten, Herman m2349 NED0.001-0.1125-2.75 
  Meurs, Tom 2086 NED0.001-0.3825-9.50 
  Schmit, Evert 1921 NED0.501-0.1125-2.75 
  Jamshedy, Ismail 1914 AFG1.0010.38259.50 
  Bloem, Mark 1827 NED0.501-0.2325-5.75 
  Westerman, Henk 1940 NED1.0010.422510.50 
  Breukelman, Jan 2132 NED0.5010.18254.50 
  Boekelman, Jan 2045 NED1.0010.562514.00 
  Bok, Benjamin 2180 NED0.001-0.2625-6.50 

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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