Individual Calculations March 2011
 Rossen, Maarten  Total change: -0.45  Rating chartPersonal card
 Tata Steel Chess Tournament - Tien 3D Wijk aan Zee NED 2011-01-21
RcRownchangeKK*chgGame
 2001 2043 5.00 9 -0.03 15 -0.45 
  Marano, Salvatore 1957 ITA0.501-0.1215-1.80 
  Van Gils, Martin 2059 NED0.5010.02150.30 
  Rot, Jan 1959 NED0.501-0.1215-1.80 
  Pover, Piet 2011 NED0.001-0.5415-8.10 
  Poncin, Peter 2052 NED1.0010.51157.65 
  Duin, Laurens 2046 NED1.0010.50157.50 
  De Groot, Ymar 2024 NED0.501-0.0315-0.45 
  Oliemans, Cor 1977 NED0.501-0.0915-1.35 
  De Vries, Theo 1928 NED0.501-0.1615-2.40 

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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