Individual Calculations October 2018
 Pruijssers, Roeland  Total change: -5.00  Rating chartPersonal card
 Dutch Team Competition 2018-2019 Meester Round 1 Various NED 2018-09-15
RcRownchangeKK*chgGame
 2503 2506 0.00 1 -0.50 10 -5.00 
  Janssen, Ruud g2503 NED0.001-0.5010-5.00 

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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