Individual Calculations January 2020
 Choroszej, Aleksander  Total change: 1.40  Rating chartPersonal card
 220th YMCA Autumn 2019-A Warszawa POL 2019-09-20
RcRownchangeKK*chgGame
 1886 2054 7.00 11 -0.91 20 -18.20 
  Koziol, Pawel 1821 POL0.501-0.2920-5.80 
  Poniewierski, Piotr 1885 POL1.0010.28205.60 
  Potocki, Karol 1847 POL1.0010.23204.60 
  Derylo, Kamil 2020 POL0.001-0.5520-11.00 
  Matyszkiewicz, Wiktor 1844 POL1.0010.23204.60 
  Liberadzki, Slawomir 1983 POL1.0010.40208.00 
  Moskwinski, Marek 1940 POL0.501-0.1620-3.20 
  Staniak, Mariusz 1808 POL0.001-0.8120-16.20 
  Kosny, Marek 1861 POL1.0010.25205.00 
  Kasperkiewicz, Pawel 1869 POL0.001-0.7420-14.80 
  Omar, Mohamed 1864 EGY1.0010.25205.00 

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)
 
 1st FIDE Confederation Cup For The Disabled 2019 Ankara TUR 2019-12-09
RcRownchangeKK*chgGame
 1898 2054 3.50 4 0.73 20 14.60 
  Sahin, Handenur 2014 TUR0.501-0.0620-1.20 
  Osorio, Jesus Camilo 1882 PAN1.0010.27205.40 
  Arstanbekov, Dzhanysh 1713 KGZ1.0010.12202.40 
  Messala, Jamal 1982 MAR1.0010.40208.00 

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)
 
 Druzynowe Mistrzostwa Mazowsza 2019/2020 Round 1-2 Mazowieckie POL 2019-12-22
RcRownchangeKK*chgGame
 1725 2054 2.00 2 0.25 20 5.00 
  Zbrzeski, Piotr 1770 POL1.0010.16203.20 
  Basiaga, Sebastian 1679 POL1.0010.09201.80 

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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