Individual Calculations January 2019
 Wiktorowski, Janusz  Total change: 1.40  Rating chartPersonal card
 207th YMCA Autumn 2018-C Warszawa POL 2018-09-19
RcRownchangeKK*chgGame
 1482 1447 5.50 12 0.07 20 1.40 
  Duda, Ryszard 1502 POL1.0010.582011.60 
  Kwiek, Janusz 1590 POL1.0010.692013.80 
  Janeczko, Jakub 1532 POL0.5010.12202.40 
  Derylo, Maksymilian 1401 POL1.0010.44208.80 
  Rak, Jacek 1428 POL0.001-0.5320-10.60 
  Budrewicz, Henryk 1465 POL0.001-0.4720-9.40 
  Szumigaj, Marcin 1427 POL1.0010.47209.40 
  Mazurkiewicz, Wojciech 1476 POL0.001-0.4620-9.20 
  Kuznik, Kamil 1553 POL0.001-0.3620-7.20 
  Dabrowska, Aleksandra 1400 POL0.001-0.5720-11.40 
  Wojnowski, Jan 1559 POL0.001-0.3520-7.00 
  Bartczak, Hanna 1453 POL1.0010.512010.20 

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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