Individual Calculations November 2009
 Lach, Aleksandra  Total change: 48.75  Rating chartPersonal card
 The 45th Akiba Rubinstein - International Chess Festival - Open A Polanica Zdroj POL 2009-08-18
RcRownchangeKK*chgGame
 2234 2069 5.50 10 2.58 15 38.70 
  Wojciechowski, Piotr 2279 POL0.001-0.2315-3.45 
  Panas, Pawel 2220 POL0.001-0.3015-4.50 
  Szmyd, Marek 2147 POL1.0010.61159.15 
  Jaworski, Miroslaw m2363 POL0.5010.35155.25 
  Brzeski, Maciej 2361 POL0.001-0.1515-2.25 
  Chrzaszcz, Malvina 2029 POL1.0010.44156.60 
  Kocwin, Bartosz f2254 POL1.0010.741511.10 
  Obrusnik, Michal 2165 POL1.0010.63159.45 
  Matuszewski, Michal 2301 POL0.001-0.2115-3.15 
  Szumilas, Pawel 2218 POL1.0010.701510.50 

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)
 
 European Youth Ch under 14 Girls Fermo ITA 2009-08-31
RcRownchangeKK*chgGame
 1955 2069 6.50 9 0.67 15 10.05 
  Roy, Ali 1762 SCO1.0010.14152.10 
  Papathanasiou, Ageliki 1899 GRE1.0010.28154.20 
  Imnadze, Nato 1906 GEO1.0010.28154.20 
  Severina, Maria 1981 RUS1.0010.38155.70 
  Efroimski, Marsel wf2066 ISR0.5010.00150.00 
  Ziaziulkina, Nastassia 2101 BLR1.0010.54158.10 
  Iwanow, Anna wf2022 POL1.0010.43156.45 
  Osmanodja, Filiz wf1954 GER0.001-0.6615-9.90 
  Kobeshavidze, Lika 1900 GEO0.001-0.7215-10.80 

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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