Individual Calculations August 2015
 Veltkamp, Bastiaan  Total change: 5.00  Rating chartPersonal card
 Amsterdam Chess Tournament - A Amsterdam NED 2015-07-11
RcRownchangeKK*chgGame
 2124 2061 4.00 9 0.25 20 5.00 
  Brouwer, Dennis 2221 NED1.0010.712014.20 
  Van Osch, Mees 2264 NED0.001-0.2420-4.80 
  Sbarra, Marco f2174 ITA0.001-0.3520-7.00 
  Zak, Arad 2116 ISR0.001-0.4220-8.40 
  Hoffman, Ron 2081 NED1.0010.532010.60 
  Vos, Tjark 2111 AHO0.001-0.4320-8.60 
  Ritsema, Ronald 1994 NED0.501-0.0920-1.80 
  De Ruiter, Tom 2117 NED0.5010.08201.60 
  Sula, Avni 2034 ALB1.0010.46209.20 

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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