Individual Calculations September 2019
 Visser, Barto  Total change: -16.80  Rating chartPersonal card
 Open Dutch Championship U16 Borne NED 2019-08-05
RcRownchangeKK*chgGame
 1399 1389 3.00 7 -0.42 40 -16.80 
  Klaren, Oscar 1761 NED0.001-0.1040-4.00 
  Berghuis, Rowin 1081 NED0.001-0.8640-34.40 
  Warnaar, Mark 1175 NED1.0010.23409.20 
  Van Borren, Matthijs 1339 NED0.001-0.5740-22.80 
  Maas, Tristan 1467 NED1.0010.614024.40 
  Michielsen, Lies 1489 BEL1.0010.644025.60 
  Klein, Lucas 1481 NED0.001-0.3740-14.80 

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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