Individual Calculations March 2012
 Van Someren, Rob  Total change: -20.40  Rating chartPersonal card
 Tata Steel Chess Tournament 2011 - 3L Tienkampen Wijk aan Zee NED 2012-01-20
RcRownchangeKK*chgGame
 1958 1946 3.00 9 -1.36 15 -20.40 
  Van De Griend, Johan 1923 NED0.001-0.5315-7.95 
  Pauw, Sander 2130 NED1.0010.741511.10 
  Kalkman, Rob 1925 NED1.0010.47157.05 
  De Ruiter, Tom 2118 NED0.001-0.2715-4.05 
  Avis, Fred 2011 NED0.5010.09151.35 
  Kazarian, Anna Maja 1782 NED0.001-0.7215-10.80 
  Mulder, Rob 1939 NED0.001-0.5115-7.65 
  Majhi, Ankit 1812 NED0.001-0.6815-10.20 
  Montsma, Foppe 1984 NED0.5010.05150.75 

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)
 

 

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