Individual Calculations January 2010
 Crouch, Colin S  Total change: -4.20  Rating chartPersonal card
 London Chess Classic Open London ENG 2009-12-08
RcRownchangeKK*chgGame
 2200 2346 5.00 8 -0.42 10 -4.20 
  Valentine, Brian J 1978 ENG1.0010.10101.00 
  Warman, Simon M 2153 ENG0.001-0.7510-7.50 
  Fegan, Chris 2078 ENG1.0010.17101.70 
  Pedersen, Carsten 2155 DEN1.0010.25102.50 
  Arkell, Keith C g2464 ENG0.001-0.3410-3.40 
  Friedland, Jon S c2162 ENG1.0010.26102.60 
  Cox, John J m2377 ENG0.5010.04100.40 
  Roberson, Peter T 2236 ENG0.501-0.1510-1.50 

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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