Individual Calculations September 2023
 Brak, Marian  Total change: 27.60  Rating chartPersonal card
 Szachy w Ustroniu lacza pokolenia 2023 - Grupa D Ustron POL 2023-08-11
RcRownchangeKK*chgGame
 1585 1345 3.50 8 1.38 20 27.60 
  Kylar, Miroslav 1797 CZE1.0010.942018.80 
  Drabiniok, Kazimierz 1767 POL0.001-0.0720-1.40 
  Wesolowska, Hanna wf1761 POL0.001-0.0720-1.40 
  Hrtanek, Jiri 1873 CZE0.001-0.0320-0.60 
  Roskowski, Stanislaw 1172 POL1.0010.27205.40 
  Przygrodzki, Jan 1498 POL0.001-0.3020-6.00 
  Olszowski, Andrzej 1585 POL0.5010.30206.00 
  Romanski, Czeslaw 1228 POL1.0010.34206.80 

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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