Individual Calculations May 2019
 Duda, Ryszard  Total change: 3.60  Rating chartPersonal card
 III Mistrzostwa Polski Seniorek i Seniorow w szachach Ustron-Jaszowiec POL 2019-04-08
RcRownchangeKK*chgGame
 1494 1417 4.00 9 0.18 20 3.60 
  Kowalczyk, Marek 1803 POL0.001-0.0920-1.80 
  Zinczuk, Leon 1749 POL0.001-0.1220-2.40 
  Kudlacik, Jan 1283 POL1.0010.32206.40 
  Kulejewski, Lech 1769 POL0.001-0.1120-2.20 
  Grabarczyk, Edmund 1301 POL0.001-0.6620-13.20 
  Jaworowski, Andre 1376 USA1.0010.44208.80 
  Mazur, Eugeniusz 1592 POL0.001-0.2720-5.40 
  Kinasz, Eugeniusz 1378 POL1.0010.45209.00 
  Kohut, Jozef 1194 POL1.0010.22204.40 

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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