Individual Calculations September 2009
 Petr, Jan  Total change: -8.55  Rating chartPersonal card
 Czech Open 2009 A - Pardubice Open Pardubice CZE 2009-07-24
RcRownchangeKK*chgGame
 2212 2220 4.00 9 -0.57 15 -8.55 
  Cerveny, Martin f2380 CZE0.001-0.2915-4.35 
  Balin, Jan 2307 CZE0.5010.12151.80 
  Serov, Maxim 2345 RUS0.001-0.3315-4.95 
  Gschwendtner, Stanislav 2103 CZE0.501-0.1615-2.40 
  Bonaposta, Fabrizio 2050 ITA1.0010.28154.20 
  Jorczik, Julian Marcel f2352 GER0.001-0.3215-4.80 
  Piscitelli, Vito 2067 ITA0.501-0.2015-3.00 
  Frey, Alisa 2008 GER1.0010.23153.45 
  Rosko, Lubos f2292 CZE0.5010.10151.50 

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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