Individual Calculations April 2009
 Dobrowolski, Piotr  Total change: -3.90  Rating chartPersonal card
 Marianske Lazne 2009 - GM Marianske Lazne CZE 2009-01-17
RcRownchangeKK*chgGame
 2428 2421 5.00 11 -0.39 10 -3.90 
  Ivanov, Mikhail M g2497 RUS1.0010.60106.00 
  Krejci, Jan f2426 CZE0.5010.01100.10 
  Biolek, Richard Jr m2406 CZE0.501-0.0210-0.20 
  Heberla, Bartlomiej g2500 POL0.001-0.3910-3.90 
  Vokac, Marek g2454 CZE0.5010.05100.50 
  Simacek, Pavel m2493 CZE0.001-0.4010-4.00 
  Roganovic, Milos f2475 SRB1.0010.58105.80 
  Hedman, Erik f2367 SWE0.001-0.5810-5.80 
  Kashlinskaya, Alina wm2302 RUS1.0010.34103.40 
  Kurmann, Oliver m2415 SUI0.001-0.5110-5.10 
  Moor, Olivier m2368 SUI0.501-0.0710-0.70 

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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