Individual Calculations September 2011
 Rekelhof, Martin  Total change: 14.40  Rating chartPersonal card
 Science Park Amsterdam Chess Tournament - C Amsterdam NED 2011-07-09
RcRownchangeKK*chgGame
 1721 1734 1.00 1 0.48 30 14.40 
  Beekhuizen, Bas 1721 NED1.0010.483014.40 

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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