Individual Calculations September 2021
 Witczak, Borys  Total change: 108.80  Rating chartPersonal card
 Festiwal Szachowy Szachy w Ustroniu lacza pokolenia - Grupa C Ustron POL 2021-08-13
RcRownchangeKK*chgGame
 1476 1411 6.00 8 2.72 40 108.80 
  Latosinski, Mateusz 1226 POL1.0010.264010.40 
  Kieca, Aleksandra 1576 POL1.0010.724028.80 
  Krol, Jan 1500 POL1.0010.624024.80 
  Kubik, Rafal 1504 POL0.5010.13405.20 
  Wojtas, Julia 1489 POL1.0010.614024.40 
  Turowski, Maciej 1479 POL0.001-0.4140-16.40 
  Fudala, Dominik 1523 POL0.5010.15406.00 
  Sputowski, Jakub 1510 POL1.0010.644025.60 

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)
 

 

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