Individual Calculations September 2012
 Van Velzen, Martin  Total change: -29.10  Rating chartPersonal card
 Dutch Open 2012 - Reservegroep A Dieren NED 2012-07-24
RcRownchangeKK*chgGame
 1872 1925 1.50 6 -1.94 15 -29.10 
  Boersma, Jan 2116 NED0.001-0.2515-3.75 
  Brantjes, Yme 1850 NED0.001-0.6015-9.00 
  De Ridder, Naomi 1774 NED0.501-0.2015-3.00 
  Hoogland, Rob 1841 NED0.501-0.1215-1.80 
  Van Haastert, Jeremy 1840 NED0.001-0.6215-9.30 
  Plooijer, Johan 1813 NED0.501-0.1515-2.25 

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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