Individual Calculations January 2010
 Driessen, Marcus  Total change: 6.90  Rating chartPersonal card
 Klasse 3C Round 2-4 - Dutch Team Competition Various NED 2009-10-31
RcRownchangeKK*chgGame
 1957 2173 2.00 2 0.46 15 6.90 
  Eshuis, Hans 1908 NED1.0010.18152.70 
  Schoonenberg, Olav 2006 NED1.0010.28154.20 

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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