Individual Calculations October 2008
 Siddeley, Hugh  Total change: -17.10  Rating chartPersonal card
 Canadian Amateur Championships Kitchener CAN 2008-08-01
RcRownchangeKK*chgGame
 2120 2021 1.50 4 0.03 15 0.45 
  Sapozhnikov, Roman 2137 CAN0.5010.16152.40 
  Henry, Liam 2211 CAN0.5010.25153.75 
  Becker, Paul 1994 CAN0.501-0.0415-0.60 
  Jung, Hans Rudolf f2136 CAN0.001-0.3415-5.10 

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)
 
 2008 Toronto Labour Day Open Toronto CAN 2008-08-30
RcRownchangeKK*chgGame
 2106 2021 0.00 3 -1.17 15 -17.55 
  Peng, David (yu) 2241 CAN0.001-0.2215-3.30 
  Calugar, Arthur 2033 CAN0.001-0.4815-7.20 
  Ng, Gary 2044 CAN0.001-0.4715-7.05 

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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