Individual Calculations September 2023
 Grazka, Rafal  Total change: -70.00  Rating chartPersonal card
 Adolf Anderssen Chess Festival 2023 - Wroclaw Open C Wroclaw POL 2023-08-07
RcRownchangeKK*chgGame
 1127 1174 0.50 4 -1.75 40 -70.00 
  Dymara, Tomasz 1360 POL0.001-0.2640-10.40 
  Muryn, Krzysztof 1128 POL0.001-0.5640-22.40 
  Sveboda, Nikita 1007 POL0.501-0.2240-8.80 
  Nagly, Malgorzata 1013 POL0.001-0.7140-28.40 

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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