Individual Calculations September 2023
 Ossowski, Boleslaw  Total change: -18.20  Rating chartPersonal card
 59. Miedzynardowy Festiwal Szachowy im. Akiby Rubinsteina - Open C Polanica-Zdroj POL 2023-08-19
RcRownchangeKK*chgGame
 1488 1472 3.50 9 -0.91 20 -18.20 
  Szylko, Waldemar 1923 POL0.001-0.0620-1.20 
  Popiolek, Henryk 1249 POL0.501-0.2820-5.60 
  Szopa, Andrzej 1174 POL1.0010.15203.00 
  Galyga, Jozef 1688 POL0.001-0.2220-4.40 
  Begier, Wlodzimierz 1223 POL1.0010.19203.80 
  Grubiak, Roman 1660 POL0.001-0.2620-5.20 
  Michalik, Marek 1650 POL0.001-0.2720-5.40 
  Ziobrowska, Danuta 1343 POL0.501-0.1720-3.40 
  Pawlak, Grzegorz 1479 POL0.5010.01200.20 

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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