Individual Calculations May 2011
 Birnkott, Manfred  Total change: 12.75  Rating chartPersonal card
 9. Bayer Open Leverkusen GER 2011-01-10
 2164 1963 1.00 2 0.51 25 12.75 
  Peschel, Andreas 2177 GER0.001-0.2325-5.75 
  Werbeck, Torsten c2150 GER1.0010.742518.50 

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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