Individual Calculations January 2009
 Sack, Matthias  Total change: 31.25  Rating chartPersonal card
 10.Waldschach-Cup Gotha GER 2008-11-05
RcRownchangeKK*chgGame
 2045 2014 4.50 7 1.25 25 31.25 
  Stahl, Heinz 1768 GER1.0010.19254.75 
  Sobolevsky, Leonid m2303 UKR0.001-0.1625-4.00 
  Nagel, Gerhard 1949 GER1.0010.412510.25 
  Jandke, Manfred 2176 GER0.001-0.2925-7.25 
  Essinger, Gerald 1999 GER1.0010.482512.00 
  Feigel, Andreas 1970 GER1.0010.442511.00 
  Haase, Reinhard 2149 GER0.5010.18254.50 

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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