Individual Calculations February 2018
 Porth, Hartmut  Total change: 24.80  Rating chartPersonal card
 34. Internationales Boeblinger Open A Boeblingen GER 2017-12-26
RcRownchangeKK*chgGame
 2135 2086 4.50 9 0.56 20 11.20 
  Rosner, Jonas f2418 GER0.001-0.1220-2.40 
  Richter, Nils 1914 GER1.0010.27205.40 
  Degenhardt, Horst f2244 GER0.5010.21204.20 
  Stijve, Theo 2247 SUI0.001-0.2920-5.80 
  De Coninck, Erik 1923 BEL1.0010.28205.60 
  Sieglen, Joachim, Dr. f2217 GER0.5010.18203.60 
  Xu, Huahua wm2222 CHN0.001-0.3220-6.40 
  Birovecz, Ben Jordan 1830 HUN0.501-0.3120-6.20 
  Den Hartog, Marijn 2200 NED1.0010.662013.20 

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)
 
 Deutsche Schach-Amateurmeisterschaft 2017-2018 Q4 A Hamburg GER 2018-01-05
RcRownchangeKK*chgGame
 2186 2091 3.00 5 1.15 20 23.00 
  Koehler, Gerhard, Dr. 2165 GER1.0010.602012.00 
  Schulenburg, Fabian 2251 GER0.001-0.2920-5.80 
  Grote, Dirk 2118 GER0.5010.04200.80 
  Wolter, Jens 2175 GER0.5010.12202.40 
  Draeger, Thomas 2223 GER1.0010.682013.60 

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 Nord-Nord 2017/2018 January 2018 various GER 2018-01-21
RcRownchangeKK*chgGame
 2110 2091 0.00 1 -0.47 20 -9.40 
  Hamann, Carsten 2110 GER0.001-0.4720-9.40 

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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