Individual Calculations February 2023
 Straver, Robert  Total change: -22.60  Rating chartPersonal card
 Tata Steel Tienkampen 2023 Wijk aan Zee NED 2023-01-20
RcRownchangeKK*chgGame
 2103 2161 3.50 8 -1.13 20 -22.60 
  Ercan, Selman 2056 NED1.0010.36207.20 
  Matzat, Andre 2073 GER0.001-0.6220-12.40 
  Ghijsen, Pim 2089 NED0.501-0.1020-2.00 
  Van Der Hagen, Loek 2161 NED0.001-0.5020-10.00 
  Grondsma, Mark 2144 NED0.001-0.5220-10.40 
  Boelhouwer, Collin 2146 NED1.0010.48209.60 
  Mijnheer, Peter 2098 NED0.001-0.5920-11.80 
  Vlaming, Jos 2055 NED1.0010.36207.20 

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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