Individual Calculations July 2009
 Peek, Marcel  Total change: -12.30  Rating chartPersonal card
 2B - r 6-9 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2089 2370 2.50 3 0.01 10 0.10 
  Baarslag, Ed 2020 NED1.0010.11101.10 
  Gorissen, Hugo 2054 NED1.0010.13101.30 
  Homs, Guust 2192 NED0.501-0.2310-2.30 

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)
 
 Campeonato de Catalnya d'Equipos Primera Division G-I Catalunya ESP 2009-02-01
RcRownchangeKK*chgGame
 2411 2360 0.50 1 0.07 10 0.70 
  Guerra Mendez, Jose Angel f2411 CUB0.5010.07100.70 

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)
 
 6.Nibelungen Open Worms GER 2009-04-30
RcRownchangeKK*chgGame
 2127 2360 2.50 5 -1.31 10 -13.10 
  Von Ehr, Martin 2010 GER1.0010.11101.10 
  Hegermann, Frank 2116 GER0.501-0.3010-3.00 
  Schebler, Gerhard g2470 GER0.001-0.3510-3.50 
  Stahnecker, Wieland 2013 GER0.501-0.3910-3.90 
  Arndt, Uwe 2024 GER0.501-0.3810-3.80 

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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