Individual Calculations July 2017
 Duda, Ryszard  Total change: -13.00  Rating chartPersonal card
 185th YMCA Spring 2017-C Warszawa POL 2017-04-06
RcRownchangeKK*chgGame
 1444 1453 5.50 12 -0.65 20 -13.00 
  Budrewicz, Henryk 1427 POL0.001-0.5420-10.80 
  Urbaniak, Karol 1490 POL0.001-0.4520-9.00 
  Wangrat, Jan 1451 POL1.0010.502010.00 
  Mazurek, Jerzy 1444 POL0.501-0.0120-0.20 
  Szynalski, Bartosz 1517 POL0.001-0.4120-8.20 
  Derylo, Kamil 1372 POL0.001-0.6120-12.20 
  Mazurkiewicz, Wojciech 1482 POL0.001-0.4620-9.20 
  Borys, Marek 1385 POL0.001-0.5920-11.80 
  Kucharski, Jacek 1388 POL1.0010.41208.20 
  Bartczak, Hanna 1505 POL1.0010.572011.40 
  Szumigaj, Marcin 1396 POL1.0010.42208.40 
  Kwiek, Janusz 1466 POL1.0010.522010.40 

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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