Individual Calculations October 2008
 Kostowski, Andrzej  Total change: -7.80  Rating chartPersonal card
 XVII Miedzynarodowy Festiwal Szachowy "Jantar Bałtyku" OPEN "A" Rowy POL 2008-06-14
RcRownchangeKK*chgGame
 1939 1862 4.00 9 0.47 15 7.05 
  Kazek, Krzysztof f2114 POL0.5010.31154.65 
  Kulling, Aleksander 1932 POL0.5010.10151.50 
  Stypka, Zbigniew 1951 POL0.001-0.3815-5.70 
  Sidlo, Andrzej 2023 POL1.0010.711510.65 
  Czernicki, Bogdan 2032 POL0.001-0.2815-4.20 
  Galicki, Ryszard 2026 POL0.001-0.2815-4.20 
  Zarow, Elzbieta 1537 POL1.0010.13151.95 
  Stepniewski, Jerzy 1900 POL1.0010.55158.25 
  Zygmunt, Piotr 1939 POL0.001-0.3915-5.85 

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)
 
 Pszczyna 2008 Pszczyna POL 2008-07-15
RcRownchangeKK*chgGame
 1859 1854 0.00 2 -0.99 15 -14.85 
  Urbanski, Grzegorz 2158 POL0.001-0.1415-2.10 
  Pyclik, Blazej 1559 POL0.001-0.8515-12.75 

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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