Individual Calculations January 2022
 Jaroszuk, Marcin  Total change: -35.20  Rating chartPersonal card
 Jesienne FIDE granie w Hetmanie 2021_A Warszawa POL 2021-09-13
RcRownchangeKK*chgGame
 1566 1569 9.00 13 2.38 20 47.60 
  Jarmolowski, Tadeusz 1516 POL1.0010.43208.60 
  Dropia, Rafal 1622 POL0.5010.07201.40 
  Szyszko, Jan 1636 POL0.001-0.4120-8.20 
  Borys, Marek 1343 POL1.0010.21204.20 
  Bartosik, Dawid 1422 POL0.501-0.2020-4.00 
  Milczarek, Robert 1666 POL0.5010.13202.60 
  Okruch, Jaroslaw 1561 POL1.0010.49209.80 
  Tychulski, Krzysztof 1766 POL1.0010.752015.00 
  Lech, Jan 1379 POL1.0010.25205.00 
  Kurowski, Andrzej 1653 POL1.0010.622012.40 
  Pajak, Jakub 1928 POL0.5010.40208.00 
  Wilczynski, Adam 1515 POL1.0010.42208.40 
  Kwiek, Janusz 1351 POL0.001-0.7820-15.60 

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)
 
 249th YMCA Autumn 2021-B Warszawa POL 2021-09-21
RcRownchangeKK*chgGame
 1582 1569 4.00 11 -1.30 20 -26.00 
  Dabrowski, Leszek 1436 POL0.001-0.6820-13.60 
  Szumigaj, Marcin 1473 POL1.0010.37207.40 
  Dropia, Rafal 1622 POL0.001-0.4320-8.60 
  Sypula, Krzysztof 1656 POL0.001-0.3820-7.60 
  Mazurek, Jerzy 1691 POL0.5010.17203.40 
  Kurowski, Maciej 1590 POL0.5010.03200.60 
  Wiktorowski, Janusz 1449 POL1.0010.34206.80 
  Safanowski, Tomasz 1688 POL0.001-0.3420-6.80 
  Goral, Jan 1673 POL0.001-0.3620-7.20 
  Dabrowski, Leszek 1436 POL1.0010.32206.40 
  Safanowski, Tomasz 1688 POL0.001-0.3420-6.80 

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)
 
 Otwarte Mistrzostwa Warszawy w szachach klasycznych 2021 - gr. B Warszawa POL 2021-12-18
RcRownchangeKK*chgGame
 1258 1569 4.00 8 -2.84 20 -56.80 
  Ejsymont, Blanka 1169  * POL1.0010.08201.60 
  Seo, Ian 1332 POL0.001-0.8020-16.00 
  Borowik, Grzegorz 1220 POL0.001-0.8920-17.80 
  Pacewicz, Krzysztof 1190 POL1.0010.09201.80 
  Panikowski, Ksawery 1235 POL1.0010.12202.40 
  Flis, Piotr 1355 POL0.501-0.2720-5.40 
  Durzynski, Jan 1357 POL0.001-0.7720-15.40 
  Kowalczyk, Jakub 1206 POL0.501-0.4020-8.00 
 * 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)
 

 

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