Individual Calculations December 2012
 Sellen, Ian  Total change: -5.10  Rating chartPersonal card
 Wellington CC Championship Wellington NZL 2012-08-31
RcRownchangeKK*chgGame
 2054 1988 3.50 9 -0.34 15 -5.10 
  Nijman, Brian 2120 NZL1.0010.681510.20 
  Nyberg, Michael 1965 NZL0.501-0.0315-0.45 
  Stoeveken, Peter 1828 NZL0.001-0.7115-10.65 
  Dive, Russell m2334 NZL0.001-0.1115-1.65 
  Forster, Bill 1909 NZL1.0010.39155.85 
  Pomeroy, Arthur 2134 NZL0.5010.20153.00 
  Jackson, L. Ross 1974 NZL0.501-0.0215-0.30 
  Ker, Anthony m2324 NZL0.001-0.1215-1.80 
  Stone, Andrew 1901 NZL0.001-0.6215-9.30 

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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