Individual Calculations July 2009
 Straka, Zdenek  Total change: 15.60  Rating chartPersonal card
 1. jihoceska divize various CZE 2008-10-05
RcRownchangeKK*chgGame
 2015 1970 5.00 9 1.04 15 15.60 
  Matejka, Radek 1946 CZE1.0010.47157.05 
  Slapak, Zdenek 2173 SVK0.5010.26153.90 
  Marik, Miloslav 1922 CZE0.001-0.5715-8.55 
  Rajnys, Vladimir 2081 CZE0.5010.15152.25 
  Erban, Stepan 2032 CZE1.0010.59158.85 
  Mosnicka, Jan 1921 CZE0.001-0.5715-8.55 
  Bernath, Stefan 1953 CZE0.501-0.0215-0.30 
  Pekarkova, Eva 1981 CZE1.0010.52157.80 
  Rosenzweig, Vladimir 2130 CZE0.5010.21153.15 

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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