Individual Calculations February 2018
 Van De Krol, Sernin  Total change: -31.20  Rating chartPersonal card
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 1649 1570 2.00 7 -0.78 40 -31.20 
  Dekens, Joop 1580 NED0.5010.01400.40 
  Pool, Jan 1630 NED0.5010.08403.20 
  Terpstra, Gerben 1731 NED0.001-0.2940-11.60 
  Terwee, Michiel 1566 NED0.001-0.5140-20.40 
  Jakobsen, Mogens 1646 DEN0.5010.10404.00 
  Dobbinga, Wijnand 1643 NED0.001-0.4040-16.00 
  Bartels, Vladimir 1747 NED0.5010.23409.20 

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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