Individual Calculations April 2023
 Smallenbroek, Hans  Total change: -12.00  Rating chartPersonal card
 DD Den Haag Open Schaakkampioenschap 2022 Round 5-9 Den Haag NED 2023-03-01
RcRownchangeKK*chgGame
 1700 1466 0.50 3 -0.30 40 -12.00 
  Alexandridis, Christos 1457 GRE0.501-0.0140-0.40 
  Romkes, Gosse 1995 NED0.001-0.0340-1.20 
  Bartel, Jan-Kees 1648 NED0.001-0.2640-10.40 

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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