Individual Calculations March 2012
 Keller, Joachim  Total change: 2.85  Rating chartPersonal card
 28. Internationales Boeblinger Open B Boeblingen GER 2011-12-26
RcRownchangeKK*chgGame
 1897 1880 3.50 7 0.19 15 2.85 
  Trobonjaca, Milos 1647 GER1.0010.21153.15 
  Schaffert, Walter 1917 GER0.001-0.4515-6.75 
  Spielberger, Horst 1909 GER1.0010.54158.10 
  Seifert, Martin 1968 GER1.0010.62159.30 
  Bauer, Bjoern-Benny 1937 GER0.001-0.4215-6.30 
  Helfrich, Leo 1915 GER0.001-0.4515-6.75 
  Gibicar, Marc 1986 GER0.5010.14152.10 

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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