Individual Calculations May 2011
 Kowalik, Waldemar  Total change: 8.55  Rating chartPersonal card
 WLC Weekendtoernooi Eindhoven NED 2011-04-15
RcRownchangeKK*chgGame
 1921 1781 1.50 3 0.57 15 8.55 
  Blijlevens, Pim 1920 NED0.5010.19152.85 
  Coenen, Albert 1939 NED1.0010.711510.65 
  Aben, Paul 1904 NED0.001-0.3315-4.95 

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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