Individual Calculations September 2009
 Manfred, Kroencke  Total change: -25.80  Rating chartPersonal card
 Atlantistoernooi 2009 Promotiegroep Groningen NED 2009-07-03
RcRownchangeKK*chgGame
 2145 2121 2.50 9 -1.72 15 -25.80 
  Erik, Hoeksema m2309 NED0.001-0.2615-3.90 
  Geon, Knol 2070 NED0.501-0.0715-1.05 
  Bert, Van Der Marel 2226 NED0.5010.14152.10 
  Jan, Balje 2202 NED0.5010.11151.65 
  Johan, Klinkhammer 2046 NED0.501-0.1015-1.50 
  Nick, Bijlsma 1982 NED0.001-0.6915-10.35 
  Erik-Jan, Hummel 2236 NED0.001-0.3415-5.10 
  Jan, Joris Groenewold 2117 NED0.501-0.0115-0.15 
  Milan, Mostertman 2119 NED0.001-0.5015-7.50 

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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