Individual Calculations September 2017
 Gostelow, David W  Total change: 1.80  Rating chartPersonal card
 104th British Championships Morning Open Llandudno ENG 2017-07-31
RcRownchangeKK*chgGame
 1899 1959 3.00 5 0.09 20 1.80 
  Graff, Ben 1824 ENG1.0010.32206.40 
  Orton, Stephen La 2159 ENG0.001-0.2420-4.80 
  Hodge, Steve R 1858 ENG0.001-0.6420-12.80 
  Stern, Robert C 1806 ENG1.0010.30206.00 
  Hughes, Gavin James 1849 ENG1.0010.35207.00 

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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