Rapid: Individual Calculations April 2023
 Witczak, Adam  Total change: 51.40  Rating chartPersonal card
 IX Mistrzostwa Polski Amatorow w Szachach Szybkich Pegow POL 2023-03-18
RcRownchangeKK*chgGame
 1394 1094 4.00 9 2.57 20 51.40 
  Perucki, Maciej 1583 POL0.001-0.0420-0.80 
  Seniuta, Ryszard 1388 POL1.0010.852017.00 
  Krakowiak, Filip 1518 POL0.001-0.0720-1.40 
  Gibala, Krzysztof 1369 POL0.001-0.1720-3.40 
  Trznadel, Marian 1266 POL1.0010.732014.60 
  Ostafinski, Maciej 1348 POL0.001-0.1920-3.80 
  Szeszycki, Andrzej 1301 POL1.0010.772015.40 
  Nagly, Krzysztof 1424 POL0.001-0.1220-2.40 
  Woznica, Alicja 1350 POL1.0010.812016.20 

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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