Individual Calculations August 2018
 Zegstroo, Martin  Total change: -38.80  Rating chartPersonal card
 Amsterdam Science Park 2018 - B Amsterdam NED 2018-07-07
RcRownchangeKK*chgGame
 1863 1821 2.00 9 -1.94 20 -38.80 
  Van De Kamp, Rob 1949 NED0.001-0.3320-6.60 
  Michel, Steve 1944 NED1.0010.672013.40 
  Golbach, Floris 1962 NED0.001-0.3120-6.20 
  Veldhuysen, Klaas 1936 NED0.5010.16203.20 
  Roebers, Eline 1901 NED0.001-0.3920-7.80 
  Van Der Eyk, Dick 1980 NED0.001-0.2920-5.80 
  Schreuder Peters, Misja 1907 NED0.001-0.3820-7.60 
  Kerkhoff, Chris 1617 NED0.501-0.2620-5.20 
  Timmerman, Jan 1571 NED0.001-0.8120-16.20 

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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