Individual Calculations September 2023
 Labruyere, Roger  Total change: -14.06  Rating chartPersonal card
 Dutch Open Championship 2023 Dieren NED 2023-07-25
RcRownchangeKK*chgGame
 2276 2191 4.00 9 0.37 38 14.06 
  Brouwer, Mason 1990 NED1.0010.24389.12 
  Hausrath, Daniel g2442 GER0.5010.313811.78 
  De Winter, Arthur f2378 NED0.001-0.2638-9.88 
  Ritzerveld, Noah 2006 NED1.0010.26389.88 
  Van Den Doel, Erik g2576 NED0.5010.413815.58 
  Evengroen, Jan 2112 NED0.001-0.6138-23.18 
  Duijker, Rick f2198 NED1.0010.513819.38 
  Hendriks, Willy m2420 NED0.001-0.2138-7.98 
  Pham, Khoi f2361 NED0.001-0.2838-10.64 

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)
 
 HZ University of Applied Sciences Chess Tournament 2023 Vlissingen NED 2023-08-05
RcRownchangeKK*chgGame
 2095 2207 5.00 9 -0.74 38 -28.12 
  Blom, Huub 1807  * NED1.0010.08383.04 
  Van Foreest, Nanne 1911 NED1.0010.15385.70 
  Schoppen, Casper g2522 NED0.001-0.1438-5.32 
  Gosman, Theo 1986 NED1.0010.22388.36 
  Bakker, Jouke 2051 NED1.0010.293811.02 
  Pfreundt, Jakob m2427 GER0.001-0.2238-8.36 
  Manshanden, Nick 2040 NED0.501-0.2238-8.36 
  Lacrosse, Marc f2063 BEL0.501-0.1938-7.22 
  Kindt, Manfred 2045 NED0.001-0.7138-26.98 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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