Individual Calculations July 2009
 Koehn, Peter  Total change: 9.00  Rating chartPersonal card
 Regionalliga Ruhrgebiet Bochum GER 2008-09-14
RcRownchangeKK*chgGame
 2324 2285 4.50 8 0.88 15 13.20 
  Ueter, Heinz-Dieter 2204 GER1.0010.39155.85 
  Hort, Vlastimil g2478 GER0.5010.25153.75 
  Hassenrueck, Helmut 2168 GER0.001-0.6615-9.90 
  Van Der Wiel, John g2504 NED1.0010.781511.70 
  Bischof, Detlef 2298 GER0.5010.02150.30 
  Niermann, Michael, Dr. f2237 GER0.501-0.0715-1.05 
  Fiebig, Thomas 2405 GER0.5010.16152.40 
  Weidemann, Christian 2295 GER0.5010.01150.15 

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)
 
 Oberliga NRW Duesseldorf GER 2008-09-21
RcRownchangeKK*chgGame
 2183 2285 1.00 2 -0.28 15 -4.20 
  Biedekoepper, Robert 2137 GER1.0010.30154.50 
  Dahlmann, Dirk 2229 GER0.001-0.5815-8.70 

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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