Individual Calculations October 2020
 Lach, Piotr  Total change: -24.20  Rating chartPersonal card
 Druzynowe Mistrzostwa Polski - II Liga 2020 Poronin POL 2020-09-04
RcRownchangeKK*chgGame
 2006 2079 3.50 8 -1.21 20 -24.20 
  Malecki, Rafal 2025 POL0.501-0.0820-1.60 
  Sokolowski, Ryszard 1993 POL0.001-0.6220-12.40 
  Zawierucha, Aleksander 1899 POL0.501-0.2420-4.80 
  Mondrzycki, Bartlomiej 2167 POL0.5010.12202.40 
  Lamza, Zenon 2220 POL0.5010.19203.80 
  Pasionek, Ariel 1894 POL0.501-0.2420-4.80 
  Ziemniak, Piotr 1741 POL0.501-0.3820-7.60 
  Kowalak, Piotr 2105 POL0.5010.04200.80 

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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