Individual Calculations September 2011
 Willemsma, Abe  Total change: 2.10  Rating chartPersonal card
 15e Hogeschool Zeeland Toernooi Vlissingen NED 2011-07-30
RcRownchangeKK*chgGame
 2156 2088 3.50 8 0.14 15 2.10 
  Verbeek, Mathijs 1726 NED1.0010.10151.50 
  Zaragatski, Ilja m2469 GER1.0010.911513.65 
  De Jong, Migchiel m2376 NED0.001-0.1615-2.40 
  Dahm, Jochen f2345 GER0.5010.32154.80 
  Ortmann, David f2322 GER0.001-0.2115-3.15 
  Smits, Benjamin 1875 NED1.0010.23153.45 
  Hamelink, Desiree wm2220 NED0.001-0.3215-4.80 
  Hogerhorst, Tony 1914 NED0.001-0.7315-10.95 

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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