Individual Calculations May 2011
 Lerch, Philipp  Total change: 6.30  Rating chartPersonal card
 Oberliga Nord-Ost Germany GER 2010-10-10
RcRownchangeKK*chgGame
 2070 1965 1.50 3 0.42 15 6.30 
  Piersig, Hans-Juergen 2143 GER0.001-0.2715-4.05 
  Witkowski, Rainer 2026 GER1.0010.58158.70 
  Schwahn, Christian 2042 GER0.5010.11151.65 

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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