Individual Calculations April 2008
 Castillo, Roberto  Total change: 43.75  Rating chartPersonal card
 Karl Sealy Memorial - Silver Pieces Section Bridgetown BAR 2008-01-19
RcRownchangeKK*chgGame
 2125 1954 3.00 5 1.50 25 37.50 
  Hammar, Bengt f2304 SWE0.001-0.1125-2.75 
  Howell, Shamel 2038 BAR1.0010.622515.50 
  Blackman, Justin 1990 BAR1.0010.552513.75 
  Hammar, Bengt f2304 SWE0.001-0.1125-2.75 
  Blackman, Justin 1990 BAR1.0010.552513.75 

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)
 
 1st Qualifier Barbados National Championship Bridgetown BAR 2008-02-02
RcRownchangeKK*chgGame
 1997 1954 2.00 4 0.25 25 6.25 
  Del Castilho, Martyn 2162 BAR0.001-0.2325-5.75 
  Cox, Akeem 1664 BAR1.0010.16254.00 
  Harewood, Othneil 1969 BAR1.0010.522513.00 
  Corbin, Philip f2193 BAR0.001-0.2025-5.00 

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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