Individual Calculations January 2013
 Roberson, Peter T  Total change: 31.05  Rating chartPersonal card
 London Chess Classic 2012: Open London ENG 2012-12-01
RcRownchangeKK*chgGame
 2389 2350 6.00 9 2.07 15 31.05 
  Dydak, Mateusz 1992 CAN1.0010.10151.50 
  Holzhauer, Bjoern 2153 GER1.0010.25153.75 
  Arkell, Keith C g2470 ENG1.0010.66159.90 
  Hamitevici, Vladimir m2440 MDA0.5010.12151.80 
  Sadzikowski, Daniel m2449 POL0.5010.14152.10 
  Shaw, John g2435 SCO1.0010.62159.30 
  Gundavaa, Bayarsaikhan m2530 MGL0.5010.24153.60 
  Hawkins, Jonathan m2507 ENG0.5010.21153.15 
  Holzke, Frank g2521 GER0.001-0.2715-4.05 

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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