Individual Calculations February 2013
 Welz, Peter, Dr.  Total change: 0.90  Rating chartPersonal card
 37.Potsdamer Weihnachtsturnier Potsdam GER 2012-12-27
RcRownchangeKK*chgGame
 2041 2104 3.50 6 0.06 15 0.90 
  Schrodt, Horst 1727 GER1.0010.09151.35 
  Scholz, Ralf-Dieter 1898 GER0.501-0.2615-3.90 
  Allgaier, Erik 2045 GER1.0010.42156.30 
  Rietze, Clemens f2265 GER1.0010.711510.65 
  Von Herman, Ulf m2407 GER0.001-0.1415-2.10 
  Schwedek, Tony 1902 GER0.001-0.7615-11.40 

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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