Individual Calculations September 2021
 Ciborowski, Konrad Jr  Total change: 128.96  Rating chartPersonal card
 Wroclaw OPEN 2021- group A Wroclaw POL 2021-08-01
RcRownchangeKK*chgGame
 2008 1742 5.50 9 3.72 26 96.72 
  Kowalczyk, Wojciech 1959 POL1.0010.782620.28 
  Jankowiak, Tomasz 2142  * POL0.001-0.0826-2.08 
  Raczek, Krzysztof 1948 POL1.0010.762619.76 
  Quinn, Rory 2109 IRL1.0010.902623.40 
  Marszalek, Maciej f2142  * POL0.5010.422610.92 
  Gradalski, Olaf 1919 POL0.001-0.2726-7.02 
  Podgorski, Maciej 1981 POL1.0010.802620.80 
  Grot, Blazej c1733 POL1.0010.492612.74 
  Piotrowski, Przemyslaw f2142  * POL0.001-0.0826-2.08 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 57th Akiba Rubinstein Chess Festival - OPEN B Polanica-Zdroj POL 2021-08-14
RcRownchangeKK*chgGame
 1860 1742 4.50 9 1.32 26 34.32 
  Kozlowski, Pawel 2023 POL0.001-0.1626-4.16 
  Vanduyfhuys, Igor 1605 BEL1.0010.32268.32 
  Czarniecka, Aleksandra 1980 POL0.001-0.2026-5.20 
  Borys, Marek 1444 POL1.0010.15263.90 
  Komendecki, Antoni 1838 POL1.0010.632616.38 
  Kopec, Mariusz 2042 POL0.5010.35269.10 
  Domanski, Lukasz 2002 POL0.001-0.1826-4.68 
  Kaczmarska, Joanna 2000 POL1.0010.822621.32 
  Filipska, Maja 1804 POL0.001-0.4126-10.66 

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)
 
 57th Akiba Rubinstein Chess Festival - OPEN D Polanica-Zdroj POL 2021-08-14
RcRownchangeKK*chgGame
 1624 1742 5.00 8 -0.08 26 -2.08 
  Prokopiuk, Jakub 1402 POL1.0010.12263.12 
  Rzenca, Jerzy 1578 POL1.0010.28267.28 
  Jablonski, Miroslaw 1826 POL0.5010.12263.12 
  Darowicki, Mariusz 1913 POL0.001-0.2726-7.02 
  Wolska, Marta 1543 POL1.0010.24266.24 
  Kocierz, Pawel 1821 POL0.001-0.3926-10.14 
  Rog, Mateusz 1515 POL1.0010.21265.46 
  Walaszczyk, Aleksander 1392 POL0.501-0.3926-10.14 

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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