Individual Calculations July 2009
 Wieczorek, Oskar  Total change: -23.10  Rating chartPersonal card
 Lower Silesian's Leagues Dolny Slask POL 2008-10-26
RcRownchangeKK*chgGame
 2131 2267 6.00 9 -0.05 15 -0.75 
  Kaczmarek, Maciej 2033 POL0.501-0.2915-4.35 
  Zyla, Janusz f2221 POL0.501-0.0615-0.90 
  Wawrowski, Zbigniew 2172 POL1.0010.37155.55 
  Lipien, Wieslaw 2100 POL1.0010.28154.20 
  Dzieczkaniec, Piotr 2018 POL1.0010.19152.85 
  Siembab, Bartosz 2228 POL0.001-0.5515-8.25 
  Mikusinski, Bartosz 2085 POL1.0010.26153.90 
  Butkiewicz, Lukasz 2328 POL0.5010.08151.20 
  Balinski, Damian 1997 POL0.501-0.3315-4.95 

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)
 
 Mistrzostwa Polski Juniorów do 16 lat w szachach Chotowa POL 2009-03-28
RcRownchangeKK*chgGame
 2018 2265 7.00 11 -1.66 15 -24.90 
  Grochulski, Grzegorz 1955 POL0.501-0.3615-5.40 
  Luka, Krzysztof 1915 POL0.501-0.3915-5.85 
  Ziebinski, Bartosz 1959 POL0.501-0.3615-5.40 
  Kowalczyk, Rafal 2011 POL0.001-0.8115-12.15 
  Marchlewicz, Damian 1915 POL1.0010.11151.65 
  Tomczyk, Szymon 1915 POL0.501-0.3915-5.85 
  Graczyk, Damian 1915 POL1.0010.11151.65 
  Lis, Marek 2003 POL1.0010.18152.70 
  Witek, Tomasz 2170 POL1.0010.37155.55 
  Krzyzanowski, Marcin 2248 POL0.501-0.0215-0.30 
  Sadzikowski, Daniel 2195 POL0.501-0.1015-1.50 

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)
 
 4th POL Academic Champ. Open A Wroclaw POL 2009-04-27
RcRownchangeKK*chgGame
 2221 2267 4.50 8 0.17 15 2.55 
  Kaczmarek, Piotr 1917 POL1.0010.11151.65 
  Ivanov, Mikhail M g2470 RUS0.001-0.2415-3.60 
  Barburzynska, Magdalena 1917 POL1.0010.11151.65 
  Kasparov, Sergey g2476 BLR0.001-0.2315-3.45 
  Zwolakiewicz, Krzysztof 2051 POL0.501-0.2815-4.20 
  Nawrocki, Przemyslaw 2023 POL1.0010.20153.00 
  Zawadzki, Stanislaw m2447 POL0.5010.24153.60 
  Grabarczyk, Miroslaw g2469 POL0.5010.26153.90 

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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