Individual Calculations January 2010
 Krawczyk, Andrzej  Total change: -15.00  Rating chartPersonal card
 London Chess Classic Open London ENG 2009-12-08
RcRownchangeKK*chgGame
 2148 2152 2.50 7 -1.00 15 -15.00 
  Rudd, Jack m2296 ENG0.001-0.3115-4.65 
  Barle, Janez m2420 SLO0.001-0.1715-2.55 
  Hayward, Alan 1986 ENG1.0010.28154.20 
  Sinanan, Joshua C 2249 USA0.001-0.3715-5.55 
  Lenier, Jude 1828 ENG0.001-0.8715-13.05 
  Phillips, Owen S 2003 ENG1.0010.30154.50 
  Britton, Richard L f2254 ENG0.5010.14152.10 

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)
 

 

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