Individual Calculations December 2017
 Williams, Simon K  Total change: 16.20  Rating chartPersonal card
 16th 4NCL Congress Open Coventry ENG 2017-11-03
RcRownchangeKK*chgGame
 2234 2437 4.00 5 0.28 10 2.80 
  Coleman, David J c2093 ENG1.0010.12101.20 
  Richmond, Jane wf2124 WLS1.0010.14101.40 
  Sowray, Peter J f2322 ENG0.501-0.1610-1.60 
  Roberson, Peter T m2410 ENG0.501-0.0410-0.40 
  Britton, Richard L f2221 ENG1.0010.22102.20 

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)
 
 Reykjavik Northern Lights Open 2017 Reykjavik ISL 2017-11-10
RcRownchangeKK*chgGame
 2420 2437 6.00 9 1.34 10 13.40 
  Ingvason, Johann 2172 ISL1.0010.18101.80 
  Stefansson, Hannes g2514 ISL0.5010.11101.10 
  Xu, Yi m2465 CHN0.001-0.4610-4.60 
  Thorfinnsson, Bragi m2443 ISL0.5010.01100.10 
  Gislason, Gudmundur f2318 ISL1.0010.34103.40 
  Hansen, Torbjorn Ringdal g2406 NOR1.0010.46104.60 
  Thorfinnsson, Bjorn m2395 ISL0.501-0.0610-0.60 
  Xu, Yinglun g2518 CHN0.5010.11101.10 
  Kveinys, Aloyzas g2545 LTU1.0010.65106.50 

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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