Individual Calculations April 2009
 Hopman, Pieter  Total change: 6.90  Rating chartPersonal card
 2A - r 4-5 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2252 2319 1.50 2 0.32 15 4.80 
  Wempe, Joost 2291 NED0.501-0.0415-0.60 
  Abcouwer, Jan-Bart 2213 NED1.0010.36155.40 

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)
 
 Schaakfestival Groningen - Groep A Groningen NED 2008-12-21
RcRownchangeKK*chgGame
 2281 2319 5.00 9 0.14 15 2.10 
  Bijlsma, Nick 1969 NED1.0010.11151.65 
  Starostits, Ilmars m2479 LAT1.0010.711510.65 
  Sundararajan, Kidambi m2501 IND0.001-0.2615-3.90 
  Danielian, Elina mwg2513 ARM0.5010.25153.75 
  Brandenburg, Daan m2436 NED0.001-0.3415-5.10 
  Haast, Anne 2054 NED0.001-0.8215-12.30 
  Pijpers, Arthur 2150 NED0.501-0.2215-3.30 
  Vogel, Jaap f2233 NED1.0010.38155.70 
  Daudzvardis, Janis 2196 LAT1.0010.33154.95 

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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