Individual Calculations February 2013
 Poncin, Peter  Total change: -1.05  Rating chartPersonal card
 Tata Steel Chess Tournament 2013 Tienkampen 3B Wijk aan Zee NED 2013-01-18
RcRownchangeKK*chgGame
 2002 2049 5.00 9 -0.07 15 -1.05 
  Duin, Laurens 2010 NED1.0010.45156.75 
  Kurka, Dieter 2098 GER0.5010.07151.05 
  Voss, Herman 2011 NED0.501-0.0515-0.75 
  Roosendaal, Eric 2021 NED1.0010.46156.90 
  Mostertman, Loek 2010 NED0.501-0.0515-0.75 
  Grondsma, Mark 2065 NED0.001-0.4815-7.20 
  Kat, Rudolf 1915 NED0.501-0.1815-2.70 
  Schmit, Evert 1923 NED1.0010.33154.95 
  Nieland, Wim 1964 NED0.001-0.6215-9.30 

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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