Individual Calculations May 2019
 Welzel, Philipp  Total change: -25.60  Rating chartPersonal card
 Pokalmannschaftsmeisterschaft NRW 2019 Vorrunde Duesseldorf GER 2019-03-30
RcRownchangeKK*chgGame
 2127 2289 0.50 1 -0.21 20 -4.20 
  Walter, Andreas 2127 GER0.501-0.2120-4.20 

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)
 
 Oberliga NRW 2018/2019 April 2019 various GER 2019-04-14
RcRownchangeKK*chgGame
 2236 2274 0.50 1 -0.05 20 -1.00 
  Bayer, Ernst-Wolfgang f2236 GER0.501-0.0520-1.00 

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)
 
 GRENKE Chess Open 2019 A-Open Karlsruhe GER 2019-04-18
RcRownchangeKK*chgGame
 2148 2274 5.00 9 -1.02 20 -20.40 
  Bosselmann, Tom Linus 2023 GER1.0010.19203.80 
  Bogner, Sebastian g2603 SUI0.001-0.1220-2.40 
  Mooser, Nicolas 2082 GER1.0010.25205.00 
  Herm, Marcel 2016 GER0.001-0.8220-16.40 
  Vogel, Johannes 2112 GER1.0010.29205.80 
  Haerig, Wilfried 2127 GER0.001-0.7020-14.00 
  Prestel, Oliver 2111 GER0.501-0.2220-4.40 
  Froewis, Annika wf2118 AUT1.0010.29205.80 
  Korba, Roman 2140 GER0.501-0.1820-3.60 

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)
 

 

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