Individual Calculations July 2009
 Illner, Achim, Dr.  Total change: -9.45  Rating chartPersonal card
 Oberliga NRW Duesseldorf GER 2008-09-21
RcRownchangeKK*chgGame
 2391 2360 3.50 9 -0.63 15 -9.45 
  Wehmeier, Stefan, Dr. m2440 GER0.5010.11151.65 
  Berelovich, Aleksandar g2556 GER0.001-0.2515-3.75 
  Bashylin, Roman f2331 UKR0.501-0.0415-0.60 
  Scholz, Christian, Dr. m2372 GER0.001-0.4815-7.20 
  Mertens, Heiko 2316 GER0.001-0.5615-8.40 
  Sonntag, Hans-Hubert m2384 GER0.5010.03150.45 
  Lammens, Tim f2350 NED1.0010.49157.35 
  Franke, Johannes 2340 GER0.501-0.0315-0.45 
  Fleck, Juergen m2430 GER0.5010.10151.50 

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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