Individual Calculations September 2018
 Cooper, Nigel  Total change: 2.80  Rating chartPersonal card
 Peter Stuart Memorial B-Grade 2018 North Shore NZL 2018-08-25
RcRownchangeKK*chgGame
 1501 1597 2.00 3 0.14 20 2.80 
  Yu, Jeffrey 1364 NZL1.0010.21204.20 
  Lyall, Simon 1644 NZL0.5010.07201.40 
  Xie, Felix 1494 NZL0.501-0.1420-2.80 

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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